Home / 20,995,750.76-31,493,626.14-5,039,398.76

Finding the Fourth Proportional to 20,995,750.76, 31,493,626.14 and 5,039,398.76

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Solution

The fourth proportional to 20,995,750.76, 31,493,626.14 and 5,039,398.76 is: 7,559,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,750.76 : 31,493,626.14 = 5,039,398.76 : x
  2. Step 2: Convert to fraction form
    20,995,750.76/31,493,626.14 = 5,039,398.76/x
  3. Step 3: Cross multiply
    20,995,750.76x = 31,493,626.14 × 5,039,398.76
  4. Step 4: Simplify right side
    20,995,750.76x = 158,708,940,517,819.59
  5. Step 5: Solve for x
    x = 158,708,940,517,819.59/20,995,750.76
  6. Step 6: Final answer
    x = 7,559,098.14

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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.