Home / 27,586,242.89-38,067,049.47-16,422,143.72

Finding the Fourth Proportional to 27,586,242.89, 38,067,049.47 and 16,422,143.72

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Solution

The fourth proportional to 27,586,242.89, 38,067,049.47 and 16,422,143.72 is: 22,661,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586,242.89 : 38,067,049.47 = 16,422,143.72 : x
  2. Step 2: Convert to fraction form
    27,586,242.89/38,067,049.47 = 16,422,143.72/x
  3. Step 3: Cross multiply
    27,586,242.89x = 38,067,049.47 × 16,422,143.72
  4. Step 4: Simplify right side
    27,586,242.89x = 625,142,557,392,689.88
  5. Step 5: Solve for x
    x = 625,142,557,392,689.88/27,586,242.89
  6. Step 6: Final answer
    x = 22,661,388.14

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1.5x scale

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.