Home / 25,700,789.10-38,551,314.87-8,661,609.66

Finding the Fourth Proportional to 25,700,789.10, 38,551,314.87 and 8,661,609.66

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Solution

The fourth proportional to 25,700,789.10, 38,551,314.87 and 8,661,609.66 is: 12,992,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700,789.10 : 38,551,314.87 = 8,661,609.66 : x
  2. Step 2: Convert to fraction form
    25,700,789.10/38,551,314.87 = 8,661,609.66/x
  3. Step 3: Cross multiply
    25,700,789.10x = 38,551,314.87 × 8,661,609.66
  4. Step 4: Simplify right side
    25,700,789.10x = 333,916,441,283,693.62
  5. Step 5: Solve for x
    x = 333,916,441,283,693.62/25,700,789.10
  6. Step 6: Final answer
    x = 12,992,458.71

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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.