Home / 31,720,684.90-43,774,545.12-17,969,649.02

Finding the Fourth Proportional to 31,720,684.90, 43,774,545.12 and 17,969,649.02

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Solution

The fourth proportional to 31,720,684.90, 43,774,545.12 and 17,969,649.02 is: 24,798,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720,684.90 : 43,774,545.12 = 17,969,649.02 : x
  2. Step 2: Convert to fraction form
    31,720,684.90/43,774,545.12 = 17,969,649.02/x
  3. Step 3: Cross multiply
    31,720,684.90x = 43,774,545.12 × 17,969,649.02
  4. Step 4: Simplify right side
    31,720,684.90x = 786,613,211,816,553.75
  5. Step 5: Solve for x
    x = 786,613,211,816,553.75/31,720,684.90
  6. Step 6: Final answer
    x = 24,798,115.62

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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.