Home / 51,739,093.76-71,400,020.20-28,217,687.36

Finding the Fourth Proportional to 51,739,093.76, 71,400,020.20 and 28,217,687.36

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Solution

The fourth proportional to 51,739,093.76, 71,400,020.20 and 28,217,687.36 is: 38,940,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,739,093.76 : 71,400,020.20 = 28,217,687.36 : x
  2. Step 2: Convert to fraction form
    51,739,093.76/71,400,020.20 = 28,217,687.36/x
  3. Step 3: Cross multiply
    51,739,093.76x = 71,400,020.20 × 28,217,687.36
  4. Step 4: Simplify right side
    51,739,093.76x = 2,014,743,447,501,284.75
  5. Step 5: Solve for x
    x = 2,014,743,447,501,284.75/51,739,093.76
  6. Step 6: Final answer
    x = 38,940,447.18

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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.