Home / 37,921,967.33-52,331,942.35-20,517,930.68

Finding the Fourth Proportional to 37,921,967.33, 52,331,942.35 and 20,517,930.68

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Solution

The fourth proportional to 37,921,967.33, 52,331,942.35 and 20,517,930.68 is: 28,314,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921,967.33 : 52,331,942.35 = 20,517,930.68 : x
  2. Step 2: Convert to fraction form
    37,921,967.33/52,331,942.35 = 20,517,930.68/x
  3. Step 3: Cross multiply
    37,921,967.33x = 52,331,942.35 × 20,517,930.68
  4. Step 4: Simplify right side
    37,921,967.33x = 1,073,743,165,643,533.62
  5. Step 5: Solve for x
    x = 1,073,743,165,643,533.62/37,921,967.33
  6. Step 6: Final answer
    x = 28,314,542.76

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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.