Home / 12,471,451.20-18,703,288.80-4,900,737.60

Finding the Fourth Proportional to 12,471,451.20, 18,703,288.80 and 4,900,737.60

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Solution

The fourth proportional to 12,471,451.20, 18,703,288.80 and 4,900,737.60 is: 7,349,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,451.20 : 18,703,288.80 = 4,900,737.60 : x
  2. Step 2: Convert to fraction form
    12,471,451.20/18,703,288.80 = 4,900,737.60/x
  3. Step 3: Cross multiply
    12,471,451.20x = 18,703,288.80 × 4,900,737.60
  4. Step 4: Simplify right side
    12,471,451.20x = 91,659,910,665,818.88
  5. Step 5: Solve for x
    x = 91,659,910,665,818.88/12,471,451.20
  6. Step 6: Final answer
    x = 7,349,578.59

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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.