Home / 8,639,162.89-12,956,382.36-3,247,398.70

Finding the Fourth Proportional to 8,639,162.89, 12,956,382.36 and 3,247,398.70

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Solution

The fourth proportional to 8,639,162.89, 12,956,382.36 and 3,247,398.70 is: 4,870,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,162.89 : 12,956,382.36 = 3,247,398.70 : x
  2. Step 2: Convert to fraction form
    8,639,162.89/12,956,382.36 = 3,247,398.70/x
  3. Step 3: Cross multiply
    8,639,162.89x = 12,956,382.36 × 3,247,398.70
  4. Step 4: Simplify right side
    8,639,162.89x = 42,074,539,200,175.97
  5. Step 5: Solve for x
    x = 42,074,539,200,175.97/8,639,162.89
  6. Step 6: Final answer
    x = 4,870,210.20

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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.