Home / 7,988,608.80-11,982,913.20-6,713,150.40

Finding the Fourth Proportional to 7,988,608.80, 11,982,913.20 and 6,713,150.40

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Solution

The fourth proportional to 7,988,608.80, 11,982,913.20 and 6,713,150.40 is: 10,069,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,608.80 : 11,982,913.20 = 6,713,150.40 : x
  2. Step 2: Convert to fraction form
    7,988,608.80/11,982,913.20 = 6,713,150.40/x
  3. Step 3: Cross multiply
    7,988,608.80x = 11,982,913.20 × 6,713,150.40
  4. Step 4: Simplify right side
    7,988,608.80x = 80,443,098,541,745.28
  5. Step 5: Solve for x
    x = 80,443,098,541,745.28/7,988,608.80
  6. Step 6: Final answer
    x = 10,069,725.60

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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.