Home / 7,162,671.29-9,884,546.19-3,899,508.74

Finding the Fourth Proportional to 7,162,671.29, 9,884,546.19 and 3,899,508.74

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Solution

The fourth proportional to 7,162,671.29, 9,884,546.19 and 3,899,508.74 is: 5,381,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,671.29 : 9,884,546.19 = 3,899,508.74 : x
  2. Step 2: Convert to fraction form
    7,162,671.29/9,884,546.19 = 3,899,508.74/x
  3. Step 3: Cross multiply
    7,162,671.29x = 9,884,546.19 × 3,899,508.74
  4. Step 4: Simplify right side
    7,162,671.29x = 38,544,874,209,415.97
  5. Step 5: Solve for x
    x = 38,544,874,209,415.97/7,162,671.29
  6. Step 6: Final answer
    x = 5,381,354.61

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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.