Home / 7,988,003.20-11,982,004.80-4,442,147.20

Finding the Fourth Proportional to 7,988,003.20, 11,982,004.80 and 4,442,147.20

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Solution

The fourth proportional to 7,988,003.20, 11,982,004.80 and 4,442,147.20 is: 6,663,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,003.20 : 11,982,004.80 = 4,442,147.20 : x
  2. Step 2: Convert to fraction form
    7,988,003.20/11,982,004.80 = 4,442,147.20/x
  3. Step 3: Cross multiply
    7,988,003.20x = 11,982,004.80 × 4,442,147.20
  4. Step 4: Simplify right side
    7,988,003.20x = 53,225,829,072,706.56
  5. Step 5: Solve for x
    x = 53,225,829,072,706.56/7,988,003.20
  6. Step 6: Final answer
    x = 6,663,220.80

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Similar ratio
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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.