Home / 12,592,819.52-17,378,009.76-7,160,311.04

Finding the Fourth Proportional to 12,592,819.52, 17,378,009.76 and 7,160,311.04

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Solution

The fourth proportional to 12,592,819.52, 17,378,009.76 and 7,160,311.04 is: 9,881,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,819.52 : 17,378,009.76 = 7,160,311.04 : x
  2. Step 2: Convert to fraction form
    12,592,819.52/17,378,009.76 = 7,160,311.04/x
  3. Step 3: Cross multiply
    12,592,819.52x = 17,378,009.76 × 7,160,311.04
  4. Step 4: Simplify right side
    12,592,819.52x = 124,431,955,137,755.77
  5. Step 5: Solve for x
    x = 124,431,955,137,755.77/12,592,819.52
  6. Step 6: Final answer
    x = 9,881,183.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.