Home / 10,123,162.31-15,188,286.40-2,935,127.54

Finding the Fourth Proportional to 10,123,162.31, 15,188,286.40 and 2,935,127.54

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Solution

The fourth proportional to 10,123,162.31, 15,188,286.40 and 2,935,127.54 is: 4,403,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123,162.31 : 15,188,286.40 = 2,935,127.54 : x
  2. Step 2: Convert to fraction form
    10,123,162.31/15,188,286.40 = 2,935,127.54/x
  3. Step 3: Cross multiply
    10,123,162.31x = 15,188,286.40 × 2,935,127.54
  4. Step 4: Simplify right side
    10,123,162.31x = 44,579,557,614,768.21
  5. Step 5: Solve for x
    x = 44,579,557,614,768.21/10,123,162.31
  6. Step 6: Final answer
    x = 4,403,718.55

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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.