Home / 51,622,393.80-71,239,815.18-28,101,610.56

Finding the Fourth Proportional to 51,622,393.80, 71,239,815.18 and 28,101,610.56

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Solution

The fourth proportional to 51,622,393.80, 71,239,815.18 and 28,101,610.56 is: 38,780,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,393.80 : 71,239,815.18 = 28,101,610.56 : x
  2. Step 2: Convert to fraction form
    51,622,393.80/71,239,815.18 = 28,101,610.56/x
  3. Step 3: Cross multiply
    51,622,393.80x = 71,239,815.18 × 28,101,610.56
  4. Step 4: Simplify right side
    51,622,393.80x = 2,001,953,542,554,736.50
  5. Step 5: Solve for x
    x = 2,001,953,542,554,736.50/51,622,393.80
  6. Step 6: Final answer
    x = 38,780,718.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.