Home / 8,281,279.40-12,414,531.90-3,231,415.40

Finding the Fourth Proportional to 8,281,279.40, 12,414,531.90 and 3,231,415.40

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Solution

The fourth proportional to 8,281,279.40, 12,414,531.90 and 3,231,415.40 is: 4,844,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,279.40 : 12,414,531.90 = 3,231,415.40 : x
  2. Step 2: Convert to fraction form
    8,281,279.40/12,414,531.90 = 3,231,415.40/x
  3. Step 3: Cross multiply
    8,281,279.40x = 12,414,531.90 × 3,231,415.40
  4. Step 4: Simplify right side
    8,281,279.40x = 40,116,509,565,451.26
  5. Step 5: Solve for x
    x = 40,116,509,565,451.26/8,281,279.40
  6. Step 6: Final answer
    x = 4,844,240.56

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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.