Home / 20,104,073.60-30,144,686.16-13,722,051.20

Finding the Fourth Proportional to 20,104,073.60, 30,144,686.16 and 13,722,051.20

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Solution

The fourth proportional to 20,104,073.60, 30,144,686.16 and 13,722,051.20 is: 20,575,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,073.60 : 30,144,686.16 = 13,722,051.20 : x
  2. Step 2: Convert to fraction form
    20,104,073.60/30,144,686.16 = 13,722,051.20/x
  3. Step 3: Cross multiply
    20,104,073.60x = 30,144,686.16 × 13,722,051.20
  4. Step 4: Simplify right side
    20,104,073.60x = 413,646,926,895,451.38
  5. Step 5: Solve for x
    x = 413,646,926,895,451.38/20,104,073.60
  6. Step 6: Final answer
    x = 20,575,279.18

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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.