Home / 20,523,565.49-28,322,522.17-11,231,135.12

Finding the Fourth Proportional to 20,523,565.49, 28,322,522.17 and 11,231,135.12

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Solution

The fourth proportional to 20,523,565.49, 28,322,522.17 and 11,231,135.12 is: 15,498,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523,565.49 : 28,322,522.17 = 11,231,135.12 : x
  2. Step 2: Convert to fraction form
    20,523,565.49/28,322,522.17 = 11,231,135.12/x
  3. Step 3: Cross multiply
    20,523,565.49x = 28,322,522.17 × 11,231,135.12
  4. Step 4: Simplify right side
    20,523,565.49x = 318,094,073,473,194.12
  5. Step 5: Solve for x
    x = 318,094,073,473,194.12/20,523,565.49
  6. Step 6: Final answer
    x = 15,498,967.45

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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.