Home / 8,106,489.78-12,157,824.48-2,986,139.17

Finding the Fourth Proportional to 8,106,489.78, 12,157,824.48 and 2,986,139.17

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Solution

The fourth proportional to 8,106,489.78, 12,157,824.48 and 2,986,139.17 is: 4,478,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106,489.78 : 12,157,824.48 = 2,986,139.17 : x
  2. Step 2: Convert to fraction form
    8,106,489.78/12,157,824.48 = 2,986,139.17/x
  3. Step 3: Cross multiply
    8,106,489.78x = 12,157,824.48 × 2,986,139.17
  4. Step 4: Simplify right side
    8,106,489.78x = 36,304,955,901,712.88
  5. Step 5: Solve for x
    x = 36,304,955,901,712.88/8,106,489.78
  6. Step 6: Final answer
    x = 4,478,505.11

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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.