Home / 15,026,801.28-20,736,992.49-8,500,292.09

Finding the Fourth Proportional to 15,026,801.28, 20,736,992.49 and 8,500,292.09

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Solution

The fourth proportional to 15,026,801.28, 20,736,992.49 and 8,500,292.09 is: 11,730,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026,801.28 : 20,736,992.49 = 8,500,292.09 : x
  2. Step 2: Convert to fraction form
    15,026,801.28/20,736,992.49 = 8,500,292.09/x
  3. Step 3: Cross multiply
    15,026,801.28x = 20,736,992.49 × 8,500,292.09
  4. Step 4: Simplify right side
    15,026,801.28x = 176,270,493,129,451.44
  5. Step 5: Solve for x
    x = 176,270,493,129,451.44/15,026,801.28
  6. Step 6: Final answer
    x = 11,730,406.88

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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.