Home / 38,981,498.27-58,452,063.66-20,780,804.93

Finding the Fourth Proportional to 38,981,498.27, 58,452,063.66 and 20,780,804.93

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Solution

The fourth proportional to 38,981,498.27, 58,452,063.66 and 20,780,804.93 is: 31,160,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981,498.27 : 58,452,063.66 = 20,780,804.93 : x
  2. Step 2: Convert to fraction form
    38,981,498.27/58,452,063.66 = 20,780,804.93/x
  3. Step 3: Cross multiply
    38,981,498.27x = 58,452,063.66 × 20,780,804.93
  4. Step 4: Simplify right side
    38,981,498.27x = 1,214,680,932,382,141.50
  5. Step 5: Solve for x
    x = 1,214,680,932,382,141.50/38,981,498.27
  6. Step 6: Final answer
    x = 31,160,447.56

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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.