Home / 19,957,729.20-29,948,403.60-13,153,972.20

Finding the Fourth Proportional to 19,957,729.20, 29,948,403.60 and 13,153,972.20

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Solution

The fourth proportional to 19,957,729.20, 29,948,403.60 and 13,153,972.20 is: 19,738,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,729.20 : 29,948,403.60 = 13,153,972.20 : x
  2. Step 2: Convert to fraction form
    19,957,729.20/29,948,403.60 = 13,153,972.20/x
  3. Step 3: Cross multiply
    19,957,729.20x = 29,948,403.60 × 13,153,972.20
  4. Step 4: Simplify right side
    19,957,729.20x = 393,940,468,388,779.94
  5. Step 5: Solve for x
    x = 393,940,468,388,779.94/19,957,729.20
  6. Step 6: Final answer
    x = 19,738,742.04

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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.