Home / 6,988,013.80-10,478,475.90-3,198,250.60

Finding the Fourth Proportional to 6,988,013.80, 10,478,475.90 and 3,198,250.60

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Solution

The fourth proportional to 6,988,013.80, 10,478,475.90 and 3,198,250.60 is: 4,795,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,013.80 : 10,478,475.90 = 3,198,250.60 : x
  2. Step 2: Convert to fraction form
    6,988,013.80/10,478,475.90 = 3,198,250.60/x
  3. Step 3: Cross multiply
    6,988,013.80x = 10,478,475.90 × 3,198,250.60
  4. Step 4: Simplify right side
    6,988,013.80x = 33,512,791,834,260.54
  5. Step 5: Solve for x
    x = 33,512,791,834,260.54/6,988,013.80
  6. Step 6: Final answer
    x = 4,795,753.53

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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.