Home / 12,427,976.92-17,151,140.24-6,921,351.74

Finding the Fourth Proportional to 12,427,976.92, 17,151,140.24 and 6,921,351.74

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Solution

The fourth proportional to 12,427,976.92, 17,151,140.24 and 6,921,351.74 is: 9,551,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,976.92 : 17,151,140.24 = 6,921,351.74 : x
  2. Step 2: Convert to fraction form
    12,427,976.92/17,151,140.24 = 6,921,351.74/x
  3. Step 3: Cross multiply
    12,427,976.92x = 17,151,140.24 × 6,921,351.74
  4. Step 4: Simplify right side
    12,427,976.92x = 118,709,074,308,501.27
  5. Step 5: Solve for x
    x = 118,709,074,308,501.27/12,427,976.92
  6. Step 6: Final answer
    x = 9,551,761.73

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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.