Home / 12,687,467.49-17,508,724.38-6,886,251.36

Finding the Fourth Proportional to 12,687,467.49, 17,508,724.38 and 6,886,251.36

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Solution

The fourth proportional to 12,687,467.49, 17,508,724.38 and 6,886,251.36 is: 9,503,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,467.49 : 17,508,724.38 = 6,886,251.36 : x
  2. Step 2: Convert to fraction form
    12,687,467.49/17,508,724.38 = 6,886,251.36/x
  3. Step 3: Cross multiply
    12,687,467.49x = 17,508,724.38 × 6,886,251.36
  4. Step 4: Simplify right side
    12,687,467.49x = 120,569,477,073,640.16
  5. Step 5: Solve for x
    x = 120,569,477,073,640.16/12,687,467.49
  6. Step 6: Final answer
    x = 9,503,037.32

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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.