Home / 27,208,189.20-40,856,520.60-19,687,933.20

Finding the Fourth Proportional to 27,208,189.20, 40,856,520.60 and 19,687,933.20

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Solution

The fourth proportional to 27,208,189.20, 40,856,520.60 and 19,687,933.20 is: 29,563,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208,189.20 : 40,856,520.60 = 19,687,933.20 : x
  2. Step 2: Convert to fraction form
    27,208,189.20/40,856,520.60 = 19,687,933.20/x
  3. Step 3: Cross multiply
    27,208,189.20x = 40,856,520.60 × 19,687,933.20
  4. Step 4: Simplify right side
    27,208,189.20x = 804,380,448,357,223.88
  5. Step 5: Solve for x
    x = 804,380,448,357,223.88/27,208,189.20
  6. Step 6: Final answer
    x = 29,563,909.69

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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.