Home / 20,468,456.40-30,702,684.60-17,386,098.60

Finding the Fourth Proportional to 20,468,456.40, 30,702,684.60 and 17,386,098.60

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Solution

The fourth proportional to 20,468,456.40, 30,702,684.60 and 17,386,098.60 is: 26,079,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,456.40 : 30,702,684.60 = 17,386,098.60 : x
  2. Step 2: Convert to fraction form
    20,468,456.40/30,702,684.60 = 17,386,098.60/x
  3. Step 3: Cross multiply
    20,468,456.40x = 30,702,684.60 × 17,386,098.60
  4. Step 4: Simplify right side
    20,468,456.40x = 533,799,901,740,301.62
  5. Step 5: Solve for x
    x = 533,799,901,740,301.62/20,468,456.40
  6. Step 6: Final answer
    x = 26,079,147.90

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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.