Home / 42,108,874.41-63,169,336.87-12,965,179.28

Finding the Fourth Proportional to 42,108,874.41, 63,169,336.87 and 12,965,179.28

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Solution

The fourth proportional to 42,108,874.41, 63,169,336.87 and 12,965,179.28 is: 19,449,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108,874.41 : 63,169,336.87 = 12,965,179.28 : x
  2. Step 2: Convert to fraction form
    42,108,874.41/63,169,336.87 = 12,965,179.28/x
  3. Step 3: Cross multiply
    42,108,874.41x = 63,169,336.87 × 12,965,179.28
  4. Step 4: Simplify right side
    42,108,874.41x = 819,001,777,392,753.62
  5. Step 5: Solve for x
    x = 819,001,777,392,753.62/42,108,874.41
  6. Step 6: Final answer
    x = 19,449,624.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.