Home / 8,281,278.40-12,414,530.40-3,231,414.40

Finding the Fourth Proportional to 8,281,278.40, 12,414,530.40 and 3,231,414.40

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Solution

The fourth proportional to 8,281,278.40, 12,414,530.40 and 3,231,414.40 is: 4,844,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,278.40 : 12,414,530.40 = 3,231,414.40 : x
  2. Step 2: Convert to fraction form
    8,281,278.40/12,414,530.40 = 3,231,414.40/x
  3. Step 3: Cross multiply
    8,281,278.40x = 12,414,530.40 × 3,231,414.40
  4. Step 4: Simplify right side
    8,281,278.40x = 40,116,492,303,797.76
  5. Step 5: Solve for x
    x = 40,116,492,303,797.76/8,281,278.40
  6. Step 6: Final answer
    x = 4,844,239.06

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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.