Home / 8,639,167.39-12,956,389.09-3,247,403.20

Finding the Fourth Proportional to 8,639,167.39, 12,956,389.09 and 3,247,403.20

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Solution

The fourth proportional to 8,639,167.39, 12,956,389.09 and 3,247,403.20 is: 4,870,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,167.39 : 12,956,389.09 = 3,247,403.20 : x
  2. Step 2: Convert to fraction form
    8,639,167.39/12,956,389.09 = 3,247,403.20/x
  3. Step 3: Cross multiply
    8,639,167.39x = 12,956,389.09 × 3,247,403.20
  4. Step 4: Simplify right side
    8,639,167.39x = 42,074,619,350,801.61
  5. Step 5: Solve for x
    x = 42,074,619,350,801.61/8,639,167.39
  6. Step 6: Final answer
    x = 4,870,216.94

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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.