Home / 18,380,300.72-25,364,600.98-10,120,187.61

Finding the Fourth Proportional to 18,380,300.72, 25,364,600.98 and 10,120,187.61

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Solution

The fourth proportional to 18,380,300.72, 25,364,600.98 and 10,120,187.61 is: 13,965,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380,300.72 : 25,364,600.98 = 10,120,187.61 : x
  2. Step 2: Convert to fraction form
    18,380,300.72/25,364,600.98 = 10,120,187.61/x
  3. Step 3: Cross multiply
    18,380,300.72x = 25,364,600.98 × 10,120,187.61
  4. Step 4: Simplify right side
    18,380,300.72x = 256,694,520,545,089.38
  5. Step 5: Solve for x
    x = 256,694,520,545,089.38/18,380,300.72
  6. Step 6: Final answer
    x = 13,965,741.07

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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.