Home / 8,281,010.40-12,414,128.40-3,231,146.40

Finding the Fourth Proportional to 8,281,010.40, 12,414,128.40 and 3,231,146.40

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Solution

The fourth proportional to 8,281,010.40, 12,414,128.40 and 3,231,146.40 is: 4,843,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,010.40 : 12,414,128.40 = 3,231,146.40 : x
  2. Step 2: Convert to fraction form
    8,281,010.40/12,414,128.40 = 3,231,146.40/x
  3. Step 3: Cross multiply
    8,281,010.40x = 12,414,128.40 × 3,231,146.40
  4. Step 4: Simplify right side
    8,281,010.40x = 40,111,866,288,797.76
  5. Step 5: Solve for x
    x = 40,111,866,288,797.76/8,281,010.40
  6. Step 6: Final answer
    x = 4,843,837.21

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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.