Home / 29,119,511.70-43,695,013.95-12,081,906.90

Finding the Fourth Proportional to 29,119,511.70, 43,695,013.95 and 12,081,906.90

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Solution

The fourth proportional to 29,119,511.70, 43,695,013.95 and 12,081,906.90 is: 18,129,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,119,511.70 : 43,695,013.95 = 12,081,906.90 : x
  2. Step 2: Convert to fraction form
    29,119,511.70/43,695,013.95 = 12,081,906.90/x
  3. Step 3: Cross multiply
    29,119,511.70x = 43,695,013.95 × 12,081,906.90
  4. Step 4: Simplify right side
    29,119,511.70x = 527,919,090,538,101.31
  5. Step 5: Solve for x
    x = 527,919,090,538,101.31/29,119,511.70
  6. Step 6: Final answer
    x = 18,129,393.65

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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.