Home / 13,005,873.76-17,947,870.92-7,204,637.56

Finding the Fourth Proportional to 13,005,873.76, 17,947,870.92 and 7,204,637.56

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Solution

The fourth proportional to 13,005,873.76, 17,947,870.92 and 7,204,637.56 is: 9,942,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,873.76 : 17,947,870.92 = 7,204,637.56 : x
  2. Step 2: Convert to fraction form
    13,005,873.76/17,947,870.92 = 7,204,637.56/x
  3. Step 3: Cross multiply
    13,005,873.76x = 17,947,870.92 × 7,204,637.56
  4. Step 4: Simplify right side
    13,005,873.76x = 129,307,904,952,263.77
  5. Step 5: Solve for x
    x = 129,307,904,952,263.77/13,005,873.76
  6. Step 6: Final answer
    x = 9,942,269.73

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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.