Home / 9,168,608.70-13,761,770.40-5,581,381.95

Finding the Fourth Proportional to 9,168,608.70, 13,761,770.40 and 5,581,381.95

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Solution

The fourth proportional to 9,168,608.70, 13,761,770.40 and 5,581,381.95 is: 8,377,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,608.70 : 13,761,770.40 = 5,581,381.95 : x
  2. Step 2: Convert to fraction form
    9,168,608.70/13,761,770.40 = 5,581,381.95/x
  3. Step 3: Cross multiply
    9,168,608.70x = 13,761,770.40 × 5,581,381.95
  4. Step 4: Simplify right side
    9,168,608.70x = 76,809,696,910,604.28
  5. Step 5: Solve for x
    x = 76,809,696,910,604.28/9,168,608.70
  6. Step 6: Final answer
    x = 8,377,464.83

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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.