Home / 18,343,811.20-27,508,718.40-5,560,067.20

Finding the Fourth Proportional to 18,343,811.20, 27,508,718.40 and 5,560,067.20

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Solution

The fourth proportional to 18,343,811.20, 27,508,718.40 and 5,560,067.20 is: 8,337,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343,811.20 : 27,508,718.40 = 5,560,067.20 : x
  2. Step 2: Convert to fraction form
    18,343,811.20/27,508,718.40 = 5,560,067.20/x
  3. Step 3: Cross multiply
    18,343,811.20x = 27,508,718.40 × 5,560,067.20
  4. Step 4: Simplify right side
    18,343,811.20x = 152,950,322,889,876.47
  5. Step 5: Solve for x
    x = 152,950,322,889,876.47/18,343,811.20
  6. Step 6: Final answer
    x = 8,337,979.56

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1.5x scale

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.