Home / 28,126,042.30-42,399,873.92-26,251,155.91

Finding the Fourth Proportional to 28,126,042.30, 42,399,873.92 and 26,251,155.91

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Solution

The fourth proportional to 28,126,042.30, 42,399,873.92 and 26,251,155.91 is: 39,573,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,042.30 : 42,399,873.92 = 26,251,155.91 : x
  2. Step 2: Convert to fraction form
    28,126,042.30/42,399,873.92 = 26,251,155.91/x
  3. Step 3: Cross multiply
    28,126,042.30x = 42,399,873.92 × 26,251,155.91
  4. Step 4: Simplify right side
    28,126,042.30x = 1,113,045,700,838,262.88
  5. Step 5: Solve for x
    x = 1,113,045,700,838,262.88/28,126,042.30
  6. Step 6: Final answer
    x = 39,573,491.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.