Home / 12,200,120.64-18,300,312.48-3,680,531.04

Finding the Fourth Proportional to 12,200,120.64, 18,300,312.48 and 3,680,531.04

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Solution

The fourth proportional to 12,200,120.64, 18,300,312.48 and 3,680,531.04 is: 5,520,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200,120.64 : 18,300,312.48 = 3,680,531.04 : x
  2. Step 2: Convert to fraction form
    12,200,120.64/18,300,312.48 = 3,680,531.04/x
  3. Step 3: Cross multiply
    12,200,120.64x = 18,300,312.48 × 3,680,531.04
  4. Step 4: Simplify right side
    12,200,120.64x = 67,354,868,124,339.38
  5. Step 5: Solve for x
    x = 67,354,868,124,339.38/12,200,120.64
  6. Step 6: Final answer
    x = 5,520,836.24

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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.