Home / 8,180,156.40-12,270,119.40-3,692,425.20

Finding the Fourth Proportional to 8,180,156.40, 12,270,119.40 and 3,692,425.20

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Solution

The fourth proportional to 8,180,156.40, 12,270,119.40 and 3,692,425.20 is: 5,538,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,156.40 : 12,270,119.40 = 3,692,425.20 : x
  2. Step 2: Convert to fraction form
    8,180,156.40/12,270,119.40 = 3,692,425.20/x
  3. Step 3: Cross multiply
    8,180,156.40x = 12,270,119.40 × 3,692,425.20
  4. Step 4: Simplify right side
    8,180,156.40x = 45,306,498,079,568.88
  5. Step 5: Solve for x
    x = 45,306,498,079,568.88/8,180,156.40
  6. Step 6: Final answer
    x = 5,538,585.80

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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.