Home / 8,148,446.40-12,204,007.20-4,154,692.80

Finding the Fourth Proportional to 8,148,446.40, 12,204,007.20 and 4,154,692.80

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Solution

The fourth proportional to 8,148,446.40, 12,204,007.20 and 4,154,692.80 is: 6,222,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,446.40 : 12,204,007.20 = 4,154,692.80 : x
  2. Step 2: Convert to fraction form
    8,148,446.40/12,204,007.20 = 4,154,692.80/x
  3. Step 3: Cross multiply
    8,148,446.40x = 12,204,007.20 × 4,154,692.80
  4. Step 4: Simplify right side
    8,148,446.40x = 50,703,900,844,988.16
  5. Step 5: Solve for x
    x = 50,703,900,844,988.16/8,148,446.40
  6. Step 6: Final answer
    x = 6,222,523.70

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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.