Home / 7,128,158.20-10,679,795.70-6,132,830.20

Finding the Fourth Proportional to 7,128,158.20, 10,679,795.70 and 6,132,830.20

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Solution

The fourth proportional to 7,128,158.20, 10,679,795.70 and 6,132,830.20 is: 9,188,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,158.20 : 10,679,795.70 = 6,132,830.20 : x
  2. Step 2: Convert to fraction form
    7,128,158.20/10,679,795.70 = 6,132,830.20/x
  3. Step 3: Cross multiply
    7,128,158.20x = 10,679,795.70 × 6,132,830.20
  4. Step 4: Simplify right side
    7,128,158.20x = 65,497,373,598,790.14
  5. Step 5: Solve for x
    x = 65,497,373,598,790.14/7,128,158.20
  6. Step 6: Final answer
    x = 9,188,540.96

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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.