Home / 14,765,115.20-22,147,672.80-12,072,480.80

Finding the Fourth Proportional to 14,765,115.20, 22,147,672.80 and 12,072,480.80

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Solution

The fourth proportional to 14,765,115.20, 22,147,672.80 and 12,072,480.80 is: 18,108,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765,115.20 : 22,147,672.80 = 12,072,480.80 : x
  2. Step 2: Convert to fraction form
    14,765,115.20/22,147,672.80 = 12,072,480.80/x
  3. Step 3: Cross multiply
    14,765,115.20x = 22,147,672.80 × 12,072,480.80
  4. Step 4: Simplify right side
    14,765,115.20x = 267,377,354,642,682.25
  5. Step 5: Solve for x
    x = 267,377,354,642,682.25/14,765,115.20
  6. Step 6: Final answer
    x = 18,108,721.20

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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.