Home / 12,731,321.48-17,569,447.38-6,930,269.96

Finding the Fourth Proportional to 12,731,321.48, 17,569,447.38 and 6,930,269.96

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Solution

The fourth proportional to 12,731,321.48, 17,569,447.38 and 6,930,269.96 is: 9,563,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,321.48 : 17,569,447.38 = 6,930,269.96 : x
  2. Step 2: Convert to fraction form
    12,731,321.48/17,569,447.38 = 6,930,269.96/x
  3. Step 3: Cross multiply
    12,731,321.48x = 17,569,447.38 × 6,930,269.96
  4. Step 4: Simplify right side
    12,731,321.48x = 121,761,013,391,414.70
  5. Step 5: Solve for x
    x = 121,761,013,391,414.70/12,731,321.48
  6. Step 6: Final answer
    x = 9,563,894.34

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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.