Home / 12,002,607.18-18,004,713.46-4,220,591.77

Finding the Fourth Proportional to 12,002,607.18, 18,004,713.46 and 4,220,591.77

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Solution

The fourth proportional to 12,002,607.18, 18,004,713.46 and 4,220,591.77 is: 6,331,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002,607.18 : 18,004,713.46 = 4,220,591.77 : x
  2. Step 2: Convert to fraction form
    12,002,607.18/18,004,713.46 = 4,220,591.77/x
  3. Step 3: Cross multiply
    12,002,607.18x = 18,004,713.46 × 4,220,591.77
  4. Step 4: Simplify right side
    12,002,607.18x = 75,990,545,339,357.69
  5. Step 5: Solve for x
    x = 75,990,545,339,357.69/12,002,607.18
  6. Step 6: Final answer
    x = 6,331,169.90

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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.