Home / 8,839,311.76-12,198,376.20-5,217,639.76

Finding the Fourth Proportional to 8,839,311.76, 12,198,376.20 and 5,217,639.76

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Solution

The fourth proportional to 8,839,311.76, 12,198,376.20 and 5,217,639.76 is: 7,200,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,311.76 : 12,198,376.20 = 5,217,639.76 : x
  2. Step 2: Convert to fraction form
    8,839,311.76/12,198,376.20 = 5,217,639.76/x
  3. Step 3: Cross multiply
    8,839,311.76x = 12,198,376.20 × 5,217,639.76
  4. Step 4: Simplify right side
    8,839,311.76x = 63,646,732,668,557.70
  5. Step 5: Solve for x
    x = 63,646,732,668,557.70/8,839,311.76
  6. Step 6: Final answer
    x = 7,200,417.23

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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.