Home / 28,541,464.11-39,387,245.76-15,488,723.16

Finding the Fourth Proportional to 28,541,464.11, 39,387,245.76 and 15,488,723.16

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Solution

The fourth proportional to 28,541,464.11, 39,387,245.76 and 15,488,723.16 is: 21,374,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,464.11 : 39,387,245.76 = 15,488,723.16 : x
  2. Step 2: Convert to fraction form
    28,541,464.11/39,387,245.76 = 15,488,723.16/x
  3. Step 3: Cross multiply
    28,541,464.11x = 39,387,245.76 × 15,488,723.16
  4. Step 4: Simplify right side
    28,541,464.11x = 610,058,145,611,523.75
  5. Step 5: Solve for x
    x = 610,058,145,611,523.75/28,541,464.11
  6. Step 6: Final answer
    x = 21,374,451.68

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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.