Home / 18,146,711.40-27,220,067.10-11,428,247.40

Finding the Fourth Proportional to 18,146,711.40, 27,220,067.10 and 11,428,247.40

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Solution

The fourth proportional to 18,146,711.40, 27,220,067.10 and 11,428,247.40 is: 17,142,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,711.40 : 27,220,067.10 = 11,428,247.40 : x
  2. Step 2: Convert to fraction form
    18,146,711.40/27,220,067.10 = 11,428,247.40/x
  3. Step 3: Cross multiply
    18,146,711.40x = 27,220,067.10 × 11,428,247.40
  4. Step 4: Simplify right side
    18,146,711.40x = 311,077,661,063,400.56
  5. Step 5: Solve for x
    x = 311,077,661,063,400.56/18,146,711.40
  6. Step 6: Final answer
    x = 17,142,371.10

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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.