Home / 12,126,439.40-18,192,186.30-4,041,926.60

Finding the Fourth Proportional to 12,126,439.40, 18,192,186.30 and 4,041,926.60

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Solution

The fourth proportional to 12,126,439.40, 18,192,186.30 and 4,041,926.60 is: 6,063,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,439.40 : 18,192,186.30 = 4,041,926.60 : x
  2. Step 2: Convert to fraction form
    12,126,439.40/18,192,186.30 = 4,041,926.60/x
  3. Step 3: Cross multiply
    12,126,439.40x = 18,192,186.30 × 4,041,926.60
  4. Step 4: Simplify right side
    12,126,439.40x = 73,531,481,718,125.58
  5. Step 5: Solve for x
    x = 73,531,481,718,125.58/12,126,439.40
  6. Step 6: Final answer
    x = 6,063,732.25

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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.