Home / 25,700,800.05-38,551,331.25-8,661,620.61

Finding the Fourth Proportional to 25,700,800.05, 38,551,331.25 and 8,661,620.61

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Solution

The fourth proportional to 25,700,800.05, 38,551,331.25 and 8,661,620.61 is: 12,992,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700,800.05 : 38,551,331.25 = 8,661,620.61 : x
  2. Step 2: Convert to fraction form
    25,700,800.05/38,551,331.25 = 8,661,620.61/x
  3. Step 3: Cross multiply
    25,700,800.05x = 38,551,331.25 × 8,661,620.61
  4. Step 4: Simplify right side
    25,700,800.05x = 333,917,005,297,937.06
  5. Step 5: Solve for x
    x = 333,917,005,297,937.06/25,700,800.05
  6. Step 6: Final answer
    x = 12,992,475.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.