Home / 12,148,673.60-18,223,226.40-3,629,115.20

Finding the Fourth Proportional to 12,148,673.60, 18,223,226.40 and 3,629,115.20

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Solution

The fourth proportional to 12,148,673.60, 18,223,226.40 and 3,629,115.20 is: 5,443,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,673.60 : 18,223,226.40 = 3,629,115.20 : x
  2. Step 2: Convert to fraction form
    12,148,673.60/18,223,226.40 = 3,629,115.20/x
  3. Step 3: Cross multiply
    12,148,673.60x = 18,223,226.40 × 3,629,115.20
  4. Step 4: Simplify right side
    12,148,673.60x = 66,134,187,921,281.28
  5. Step 5: Solve for x
    x = 66,134,187,921,281.28/12,148,673.60
  6. Step 6: Final answer
    x = 5,443,737.32

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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.