Home / 12,148,689.60-18,223,250.40-3,629,131.20

Finding the Fourth Proportional to 12,148,689.60, 18,223,250.40 and 3,629,131.20

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Solution

The fourth proportional to 12,148,689.60, 18,223,250.40 and 3,629,131.20 is: 5,443,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,689.60 : 18,223,250.40 = 3,629,131.20 : x
  2. Step 2: Convert to fraction form
    12,148,689.60/18,223,250.40 = 3,629,131.20/x
  3. Step 3: Cross multiply
    12,148,689.60x = 18,223,250.40 × 3,629,131.20
  4. Step 4: Simplify right side
    12,148,689.60x = 66,134,566,592,052.48
  5. Step 5: Solve for x
    x = 66,134,566,592,052.48/12,148,689.60
  6. Step 6: Final answer
    x = 5,443,761.32

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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.