Home / 19,987,352.48-29,935,622.64-15,642,331.04

Finding the Fourth Proportional to 19,987,352.48, 29,935,622.64 and 15,642,331.04

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Solution

The fourth proportional to 19,987,352.48, 29,935,622.64 and 15,642,331.04 is: 23,427,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,352.48 : 29,935,622.64 = 15,642,331.04 : x
  2. Step 2: Convert to fraction form
    19,987,352.48/29,935,622.64 = 15,642,331.04/x
  3. Step 3: Cross multiply
    19,987,352.48x = 29,935,622.64 × 15,642,331.04
  4. Step 4: Simplify right side
    19,987,352.48x = 468,262,919,223,398.75
  5. Step 5: Solve for x
    x = 468,262,919,223,398.75/19,987,352.48
  6. Step 6: Final answer
    x = 23,427,961.24

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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.