Home / 12,055,884.40-18,085,819.20-5,585,426.20

Finding the Fourth Proportional to 12,055,884.40, 18,085,819.20 and 5,585,426.20

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Solution

The fourth proportional to 12,055,884.40, 18,085,819.20 and 5,585,426.20 is: 8,379,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055,884.40 : 18,085,819.20 = 5,585,426.20 : x
  2. Step 2: Convert to fraction form
    12,055,884.40/18,085,819.20 = 5,585,426.20/x
  3. Step 3: Cross multiply
    12,055,884.40x = 18,085,819.20 × 5,585,426.20
  4. Step 4: Simplify right side
    12,055,884.40x = 101,017,008,408,143.05
  5. Step 5: Solve for x
    x = 101,017,008,408,143.05/12,055,884.40
  6. Step 6: Final answer
    x = 8,379,062.46

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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.