Home / 19,067,939.70-28,601,909.55-6,287,767.80

Finding the Fourth Proportional to 19,067,939.70, 28,601,909.55 and 6,287,767.80

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Solution

The fourth proportional to 19,067,939.70, 28,601,909.55 and 6,287,767.80 is: 9,431,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067,939.70 : 28,601,909.55 = 6,287,767.80 : x
  2. Step 2: Convert to fraction form
    19,067,939.70/28,601,909.55 = 6,287,767.80/x
  3. Step 3: Cross multiply
    19,067,939.70x = 28,601,909.55 × 6,287,767.80
  4. Step 4: Simplify right side
    19,067,939.70x = 179,842,165,887,002.50
  5. Step 5: Solve for x
    x = 179,842,165,887,002.50/19,067,939.70
  6. Step 6: Final answer
    x = 9,431,651.70

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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.