Home / 12,354,247.20-18,522,730.80-7,302,957.60

Finding the Fourth Proportional to 12,354,247.20, 18,522,730.80 and 7,302,957.60

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Solution

The fourth proportional to 12,354,247.20, 18,522,730.80 and 7,302,957.60 is: 10,949,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,247.20 : 18,522,730.80 = 7,302,957.60 : x
  2. Step 2: Convert to fraction form
    12,354,247.20/18,522,730.80 = 7,302,957.60/x
  3. Step 3: Cross multiply
    12,354,247.20x = 18,522,730.80 × 7,302,957.60
  4. Step 4: Simplify right side
    12,354,247.20x = 135,270,717,668,614.08
  5. Step 5: Solve for x
    x = 135,270,717,668,614.08/12,354,247.20
  6. Step 6: Final answer
    x = 10,949,329.04

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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.