Home / 19,781,755.20-29,681,490.15-8,993,502.90

Finding the Fourth Proportional to 19,781,755.20, 29,681,490.15 and 8,993,502.90

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Solution

The fourth proportional to 19,781,755.20, 29,681,490.15 and 8,993,502.90 is: 13,494,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,755.20 : 29,681,490.15 = 8,993,502.90 : x
  2. Step 2: Convert to fraction form
    19,781,755.20/29,681,490.15 = 8,993,502.90/x
  3. Step 3: Cross multiply
    19,781,755.20x = 29,681,490.15 × 8,993,502.90
  4. Step 4: Simplify right side
    19,781,755.20x = 266,940,567,740,346.44
  5. Step 5: Solve for x
    x = 266,940,567,740,346.44/19,781,755.20
  6. Step 6: Final answer
    x = 13,494,281.22

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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.