Home / 18,468,045.20-27,702,067.80-18,279,088.40

Finding the Fourth Proportional to 18,468,045.20, 27,702,067.80 and 18,279,088.40

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Solution

The fourth proportional to 18,468,045.20, 27,702,067.80 and 18,279,088.40 is: 27,418,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,045.20 : 27,702,067.80 = 18,279,088.40 : x
  2. Step 2: Convert to fraction form
    18,468,045.20/27,702,067.80 = 18,279,088.40/x
  3. Step 3: Cross multiply
    18,468,045.20x = 27,702,067.80 × 18,279,088.40
  4. Step 4: Simplify right side
    18,468,045.20x = 506,368,546,178,993.50
  5. Step 5: Solve for x
    x = 506,368,546,178,993.50/18,468,045.20
  6. Step 6: Final answer
    x = 27,418,632.60

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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.