Home / 15,416,575.20-21,274,035.84-8,540,647.20

Finding the Fourth Proportional to 15,416,575.20, 21,274,035.84 and 8,540,647.20

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Solution

The fourth proportional to 15,416,575.20, 21,274,035.84 and 8,540,647.20 is: 11,785,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416,575.20 : 21,274,035.84 = 8,540,647.20 : x
  2. Step 2: Convert to fraction form
    15,416,575.20/21,274,035.84 = 8,540,647.20/x
  3. Step 3: Cross multiply
    15,416,575.20x = 21,274,035.84 × 8,540,647.20
  4. Step 4: Simplify right side
    15,416,575.20x = 181,694,034,629,595.62
  5. Step 5: Solve for x
    x = 181,694,034,629,595.62/15,416,575.20
  6. Step 6: Final answer
    x = 11,785,628.93

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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.