Home / 8,825,891.50-12,176,930.91-5,386,411.18

Finding the Fourth Proportional to 8,825,891.50, 12,176,930.91 and 5,386,411.18

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Solution

The fourth proportional to 8,825,891.50, 12,176,930.91 and 5,386,411.18 is: 7,431,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825,891.50 : 12,176,930.91 = 5,386,411.18 : x
  2. Step 2: Convert to fraction form
    8,825,891.50/12,176,930.91 = 5,386,411.18/x
  3. Step 3: Cross multiply
    8,825,891.50x = 12,176,930.91 × 5,386,411.18
  4. Step 4: Simplify right side
    8,825,891.50x = 65,589,956,791,711.57
  5. Step 5: Solve for x
    x = 65,589,956,791,711.57/8,825,891.50
  6. Step 6: Final answer
    x = 7,431,538.99

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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.