Home / 7,452,033.20-11,178,049.80-6,979,641.20

Finding the Fourth Proportional to 7,452,033.20, 11,178,049.80 and 6,979,641.20

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Solution

The fourth proportional to 7,452,033.20, 11,178,049.80 and 6,979,641.20 is: 10,469,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,033.20 : 11,178,049.80 = 6,979,641.20 : x
  2. Step 2: Convert to fraction form
    7,452,033.20/11,178,049.80 = 6,979,641.20/x
  3. Step 3: Cross multiply
    7,452,033.20x = 11,178,049.80 × 6,979,641.20
  4. Step 4: Simplify right side
    7,452,033.20x = 78,018,776,919,731.77
  5. Step 5: Solve for x
    x = 78,018,776,919,731.77/7,452,033.20
  6. Step 6: Final answer
    x = 10,469,461.80

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Similar ratio
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1.5x scale

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.