Home / 8,870,732.20-13,306,098.30-8,198,885.80

Finding the Fourth Proportional to 8,870,732.20, 13,306,098.30 and 8,198,885.80

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Solution

The fourth proportional to 8,870,732.20, 13,306,098.30 and 8,198,885.80 is: 12,298,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,732.20 : 13,306,098.30 = 8,198,885.80 : x
  2. Step 2: Convert to fraction form
    8,870,732.20/13,306,098.30 = 8,198,885.80/x
  3. Step 3: Cross multiply
    8,870,732.20x = 13,306,098.30 × 8,198,885.80
  4. Step 4: Simplify right side
    8,870,732.20x = 109,095,180,405,274.14
  5. Step 5: Solve for x
    x = 109,095,180,405,274.14/8,870,732.20
  6. Step 6: Final answer
    x = 12,298,328.70

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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.