Home / 12,240,614.20-18,360,921.30-7,369,727.80

Finding the Fourth Proportional to 12,240,614.20, 18,360,921.30 and 7,369,727.80

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Solution

The fourth proportional to 12,240,614.20, 18,360,921.30 and 7,369,727.80 is: 11,054,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,614.20 : 18,360,921.30 = 7,369,727.80 : x
  2. Step 2: Convert to fraction form
    12,240,614.20/18,360,921.30 = 7,369,727.80/x
  3. Step 3: Cross multiply
    12,240,614.20x = 18,360,921.30 × 7,369,727.80
  4. Step 4: Simplify right side
    12,240,614.20x = 135,314,992,138,222.14
  5. Step 5: Solve for x
    x = 135,314,992,138,222.14/12,240,614.20
  6. Step 6: Final answer
    x = 11,054,591.70

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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.