Home / 40,977,331.20-61,469,107.20-12,221,222.40

Finding the Fourth Proportional to 40,977,331.20, 61,469,107.20 and 12,221,222.40

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Solution

The fourth proportional to 40,977,331.20, 61,469,107.20 and 12,221,222.40 is: 18,332,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,977,331.20 : 61,469,107.20 = 12,221,222.40 : x
  2. Step 2: Convert to fraction form
    40,977,331.20/61,469,107.20 = 12,221,222.40/x
  3. Step 3: Cross multiply
    40,977,331.20x = 61,469,107.20 × 12,221,222.40
  4. Step 4: Simplify right side
    40,977,331.20x = 751,227,629,820,641.38
  5. Step 5: Solve for x
    x = 751,227,629,820,641.38/40,977,331.20
  6. Step 6: Final answer
    x = 18,332,761.26

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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.