Home / 47,288,067.70-70,932,101.55-18,524,643.70

Finding the Fourth Proportional to 47,288,067.70, 70,932,101.55 and 18,524,643.70

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Solution

The fourth proportional to 47,288,067.70, 70,932,101.55 and 18,524,643.70 is: 27,786,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,288,067.70 : 70,932,101.55 = 18,524,643.70 : x
  2. Step 2: Convert to fraction form
    47,288,067.70/70,932,101.55 = 18,524,643.70/x
  3. Step 3: Cross multiply
    47,288,067.70x = 70,932,101.55 × 18,524,643.70
  4. Step 4: Simplify right side
    47,288,067.70x = 1,313,991,908,105,967.75
  5. Step 5: Solve for x
    x = 1,313,991,908,105,967.75/47,288,067.70
  6. Step 6: Final answer
    x = 27,786,965.55

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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.