Home / 9,310,198.56-12,847,872.28-5,390,119.86

Finding the Fourth Proportional to 9,310,198.56, 12,847,872.28 and 5,390,119.86

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Solution

The fourth proportional to 9,310,198.56, 12,847,872.28 and 5,390,119.86 is: 7,438,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310,198.56 : 12,847,872.28 = 5,390,119.86 : x
  2. Step 2: Convert to fraction form
    9,310,198.56/12,847,872.28 = 5,390,119.86/x
  3. Step 3: Cross multiply
    9,310,198.56x = 12,847,872.28 × 5,390,119.86
  4. Step 4: Simplify right side
    9,310,198.56x = 69,251,571,535,171.48
  5. Step 5: Solve for x
    x = 69,251,571,535,171.48/9,310,198.56
  6. Step 6: Final answer
    x = 7,438,248.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.