Home / 7,178,974.20-10,753,946.10-4,474,999.80

Finding the Fourth Proportional to 7,178,974.20, 10,753,946.10 and 4,474,999.80

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Solution

The fourth proportional to 7,178,974.20, 10,753,946.10 and 4,474,999.80 is: 6,703,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,974.20 : 10,753,946.10 = 4,474,999.80 : x
  2. Step 2: Convert to fraction form
    7,178,974.20/10,753,946.10 = 4,474,999.80/x
  3. Step 3: Cross multiply
    7,178,974.20x = 10,753,946.10 × 4,474,999.80
  4. Step 4: Simplify right side
    7,178,974.20x = 48,123,906,646,710.77
  5. Step 5: Solve for x
    x = 48,123,906,646,710.77/7,178,974.20
  6. Step 6: Final answer
    x = 6,703,451.68

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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.