Home / 20,397,540-28,173,882.48-14,806,863.72

Finding the Fourth Proportional to 20,397,540, 28,173,882.48 and 14,806,863.72

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Solution

The fourth proportional to 20,397,540, 28,173,882.48 and 14,806,863.72 is: 20,451,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397,540 : 28,173,882.48 = 14,806,863.72 : x
  2. Step 2: Convert to fraction form
    20,397,540/28,173,882.48 = 14,806,863.72/x
  3. Step 3: Cross multiply
    20,397,540x = 28,173,882.48 × 14,806,863.72
  4. Step 4: Simplify right side
    20,397,540x = 417,166,838,344,655.62
  5. Step 5: Solve for x
    x = 417,166,838,344,655.62/20,397,540
  6. Step 6: Final answer
    x = 20,451,821.07

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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.