Home / 19,991,024.38-27,589,462.87-12,148,726.69

Finding the Fourth Proportional to 19,991,024.38, 27,589,462.87 and 12,148,726.69

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Solution

The fourth proportional to 19,991,024.38, 27,589,462.87 and 12,148,726.69 is: 16,766,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,024.38 : 27,589,462.87 = 12,148,726.69 : x
  2. Step 2: Convert to fraction form
    19,991,024.38/27,589,462.87 = 12,148,726.69/x
  3. Step 3: Cross multiply
    19,991,024.38x = 27,589,462.87 × 12,148,726.69
  4. Step 4: Simplify right side
    19,991,024.38x = 335,176,843,987,378.25
  5. Step 5: Solve for x
    x = 335,176,843,987,378.25/19,991,024.38
  6. Step 6: Final answer
    x = 16,766,366.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.