Home / 20,651,060.92-28,498,520.86-11,359,582.90

Finding the Fourth Proportional to 20,651,060.92, 28,498,520.86 and 11,359,582.90

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Solution

The fourth proportional to 20,651,060.92, 28,498,520.86 and 11,359,582.90 is: 15,676,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651,060.92 : 28,498,520.86 = 11,359,582.90 : x
  2. Step 2: Convert to fraction form
    20,651,060.92/28,498,520.86 = 11,359,582.90/x
  3. Step 3: Cross multiply
    20,651,060.92x = 28,498,520.86 × 11,359,582.90
  4. Step 4: Simplify right side
    20,651,060.92x = 323,731,310,236,549.31
  5. Step 5: Solve for x
    x = 323,731,310,236,549.31/20,651,060.92
  6. Step 6: Final answer
    x = 15,676,255.64

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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.