Home / 21,735,393.66-29,982,353.27-13,572,459.90

Finding the Fourth Proportional to 21,735,393.66, 29,982,353.27 and 13,572,459.90

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Solution

The fourth proportional to 21,735,393.66, 29,982,353.27 and 13,572,459.90 is: 18,722,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735,393.66 : 29,982,353.27 = 13,572,459.90 : x
  2. Step 2: Convert to fraction form
    21,735,393.66/29,982,353.27 = 13,572,459.90/x
  3. Step 3: Cross multiply
    21,735,393.66x = 29,982,353.27 × 13,572,459.90
  4. Step 4: Simplify right side
    21,735,393.66x = 406,934,287,464,708.88
  5. Step 5: Solve for x
    x = 406,934,287,464,708.88/21,735,393.66
  6. Step 6: Final answer
    x = 18,722,195.41

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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.