Home / 38,207,120.14-57,262,600.50-20,699,001.46

Finding the Fourth Proportional to 38,207,120.14, 57,262,600.50 and 20,699,001.46

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Solution

The fourth proportional to 38,207,120.14, 57,262,600.50 and 20,699,001.46 is: 31,022,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207,120.14 : 57,262,600.50 = 20,699,001.46 : x
  2. Step 2: Convert to fraction form
    38,207,120.14/57,262,600.50 = 20,699,001.46/x
  3. Step 3: Cross multiply
    38,207,120.14x = 57,262,600.50 × 20,699,001.46
  4. Step 4: Simplify right side
    38,207,120.14x = 1,185,278,651,352,896.75
  5. Step 5: Solve for x
    x = 1,185,278,651,352,896.75/38,207,120.14
  6. Step 6: Final answer
    x = 31,022,454.64

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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.