Home / 8,147,627.40-12,221,441.10-7,250,082.60

Finding the Fourth Proportional to 8,147,627.40, 12,221,441.10 and 7,250,082.60

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Solution

The fourth proportional to 8,147,627.40, 12,221,441.10 and 7,250,082.60 is: 10,875,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,627.40 : 12,221,441.10 = 7,250,082.60 : x
  2. Step 2: Convert to fraction form
    8,147,627.40/12,221,441.10 = 7,250,082.60/x
  3. Step 3: Cross multiply
    8,147,627.40x = 12,221,441.10 × 7,250,082.60
  4. Step 4: Simplify right side
    8,147,627.40x = 88,606,457,466,034.86
  5. Step 5: Solve for x
    x = 88,606,457,466,034.86/8,147,627.40
  6. Step 6: Final answer
    x = 10,875,123.90

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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.