Home / 18,102,010,723.20-24,982,949,520.72-10,965,215,132.64

Finding the Fourth Proportional to 18,102,010,723.20, 24,982,949,520.72 and 10,965,215,132.64

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Solution

The fourth proportional to 18,102,010,723.20, 24,982,949,520.72 and 10,965,215,132.64 is: 15,133,314,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102,010,723.20 : 24,982,949,520.72 = 10,965,215,132.64 : x
  2. Step 2: Convert to fraction form
    18,102,010,723.20/24,982,949,520.72 = 10,965,215,132.64/x
  3. Step 3: Cross multiply
    18,102,010,723.20x = 24,982,949,520.72 × 10,965,215,132.64
  4. Step 4: Simplify right side
    18,102,010,723.20x = 273,943,416,142,580,187,136
  5. Step 5: Solve for x
    x = 273,943,416,142,580,187,136/18,102,010,723.20
  6. Step 6: Final answer
    x = 15,133,314,211.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.