Home / 12,377,236.04-18,561,649.78-4,288,323.66

Finding the Fourth Proportional to 12,377,236.04, 18,561,649.78 and 4,288,323.66

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Solution

The fourth proportional to 12,377,236.04, 18,561,649.78 and 4,288,323.66 is: 6,431,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,236.04 : 18,561,649.78 = 4,288,323.66 : x
  2. Step 2: Convert to fraction form
    12,377,236.04/18,561,649.78 = 4,288,323.66/x
  3. Step 3: Cross multiply
    12,377,236.04x = 18,561,649.78 × 4,288,323.66
  4. Step 4: Simplify right side
    12,377,236.04x = 79,598,361,920,207.80
  5. Step 5: Solve for x
    x = 79,598,361,920,207.80/12,377,236.04
  6. Step 6: Final answer
    x = 6,431,028.84

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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.