Home / 23,278,507.20-32,121,390.24-13,488,860.16

Finding the Fourth Proportional to 23,278,507.20, 32,121,390.24 and 13,488,860.16

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Solution

The fourth proportional to 23,278,507.20, 32,121,390.24 and 13,488,860.16 is: 18,612,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278,507.20 : 32,121,390.24 = 13,488,860.16 : x
  2. Step 2: Convert to fraction form
    23,278,507.20/32,121,390.24 = 13,488,860.16/x
  3. Step 3: Cross multiply
    23,278,507.20x = 32,121,390.24 × 13,488,860.16
  4. Step 4: Simplify right side
    23,278,507.20x = 433,280,941,092,148.81
  5. Step 5: Solve for x
    x = 433,280,941,092,148.81/23,278,507.20
  6. Step 6: Final answer
    x = 18,612,917.80

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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.