Home / 38,784,248.12-53,522,424.42-21,380,211.47

Finding the Fourth Proportional to 38,784,248.12, 53,522,424.42 and 21,380,211.47

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Solution

The fourth proportional to 38,784,248.12, 53,522,424.42 and 21,380,211.47 is: 29,504,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784,248.12 : 53,522,424.42 = 21,380,211.47 : x
  2. Step 2: Convert to fraction form
    38,784,248.12/53,522,424.42 = 21,380,211.47/x
  3. Step 3: Cross multiply
    38,784,248.12x = 53,522,424.42 × 21,380,211.47
  4. Step 4: Simplify right side
    38,784,248.12x = 1,144,320,752,486,692
  5. Step 5: Solve for x
    x = 1,144,320,752,486,692/38,784,248.12
  6. Step 6: Final answer
    x = 29,504,781.14

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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.