Home / 21,735,429.24-29,982,402.18-13,572,495.48

Finding the Fourth Proportional to 21,735,429.24, 29,982,402.18 and 13,572,495.48

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Solution

The fourth proportional to 21,735,429.24, 29,982,402.18 and 13,572,495.48 is: 18,722,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735,429.24 : 29,982,402.18 = 13,572,495.48 : x
  2. Step 2: Convert to fraction form
    21,735,429.24/29,982,402.18 = 13,572,495.48/x
  3. Step 3: Cross multiply
    21,735,429.24x = 29,982,402.18 × 13,572,495.48
  4. Step 4: Simplify right side
    21,735,429.24x = 406,936,018,067,592.12
  5. Step 5: Solve for x
    x = 406,936,018,067,592.12/21,735,429.24
  6. Step 6: Final answer
    x = 18,722,244.39

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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.