Home / 12,186,179.20-18,275,584.32-3,664,253.44

Finding the Fourth Proportional to 12,186,179.20, 18,275,584.32 and 3,664,253.44

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Solution

The fourth proportional to 12,186,179.20, 18,275,584.32 and 3,664,253.44 is: 5,495,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,179.20 : 18,275,584.32 = 3,664,253.44 : x
  2. Step 2: Convert to fraction form
    12,186,179.20/18,275,584.32 = 3,664,253.44/x
  3. Step 3: Cross multiply
    12,186,179.20x = 18,275,584.32 × 3,664,253.44
  4. Step 4: Simplify right side
    12,186,179.20x = 66,966,372,712,570.06
  5. Step 5: Solve for x
    x = 66,966,372,712,570.06/12,186,179.20
  6. Step 6: Final answer
    x = 5,495,272.28

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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.