Home / 20,745,344.30-28,632,322.74-12,373,251.14

Finding the Fourth Proportional to 20,745,344.30, 28,632,322.74 and 12,373,251.14

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Solution

The fourth proportional to 20,745,344.30, 28,632,322.74 and 12,373,251.14 is: 17,077,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,344.30 : 28,632,322.74 = 12,373,251.14 : x
  2. Step 2: Convert to fraction form
    20,745,344.30/28,632,322.74 = 12,373,251.14/x
  3. Step 3: Cross multiply
    20,745,344.30x = 28,632,322.74 × 12,373,251.14
  4. Step 4: Simplify right side
    20,745,344.30x = 354,274,919,983,552.94
  5. Step 5: Solve for x
    x = 354,274,919,983,552.94/20,745,344.30
  6. Step 6: Final answer
    x = 17,077,321.78

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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.