Home / 21,387,923.60-32,073,982.68-9,259,160.72

Finding the Fourth Proportional to 21,387,923.60, 32,073,982.68 and 9,259,160.72

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Solution

The fourth proportional to 21,387,923.60, 32,073,982.68 and 9,259,160.72 is: 13,885,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,923.60 : 32,073,982.68 = 9,259,160.72 : x
  2. Step 2: Convert to fraction form
    21,387,923.60/32,073,982.68 = 9,259,160.72/x
  3. Step 3: Cross multiply
    21,387,923.60x = 32,073,982.68 × 9,259,160.72
  4. Step 4: Simplify right side
    21,387,923.60x = 296,978,160,564,616.38
  5. Step 5: Solve for x
    x = 296,978,160,564,616.38/21,387,923.60
  6. Step 6: Final answer
    x = 13,885,319.87

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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.