Home / 18,756,077.20-28,134,115.80-11,197,805.20

Finding the Fourth Proportional to 18,756,077.20, 28,134,115.80 and 11,197,805.20

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Solution

The fourth proportional to 18,756,077.20, 28,134,115.80 and 11,197,805.20 is: 16,796,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,077.20 : 28,134,115.80 = 11,197,805.20 : x
  2. Step 2: Convert to fraction form
    18,756,077.20/28,134,115.80 = 11,197,805.20/x
  3. Step 3: Cross multiply
    18,756,077.20x = 28,134,115.80 × 11,197,805.20
  4. Step 4: Simplify right side
    18,756,077.20x = 315,040,348,202,642.12
  5. Step 5: Solve for x
    x = 315,040,348,202,642.12/18,756,077.20
  6. Step 6: Final answer
    x = 16,796,707.80

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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.