Home / 8,189,615.20-12,284,422.80-7,244,831.20

Finding the Fourth Proportional to 8,189,615.20, 12,284,422.80 and 7,244,831.20

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Solution

The fourth proportional to 8,189,615.20, 12,284,422.80 and 7,244,831.20 is: 10,867,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,615.20 : 12,284,422.80 = 7,244,831.20 : x
  2. Step 2: Convert to fraction form
    8,189,615.20/12,284,422.80 = 7,244,831.20/x
  3. Step 3: Cross multiply
    8,189,615.20x = 12,284,422.80 × 7,244,831.20
  4. Step 4: Simplify right side
    8,189,615.20x = 88,998,569,575,431.38
  5. Step 5: Solve for x
    x = 88,998,569,575,431.38/8,189,615.20
  6. Step 6: Final answer
    x = 10,867,246.80

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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.