Home / 10,517,300.56-15,734,442.12-7,965,865.36

Finding the Fourth Proportional to 10,517,300.56, 15,734,442.12 and 7,965,865.36

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Solution

The fourth proportional to 10,517,300.56, 15,734,442.12 and 7,965,865.36 is: 11,917,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517,300.56 : 15,734,442.12 = 7,965,865.36 : x
  2. Step 2: Convert to fraction form
    10,517,300.56/15,734,442.12 = 7,965,865.36/x
  3. Step 3: Cross multiply
    10,517,300.56x = 15,734,442.12 × 7,965,865.36
  4. Step 4: Simplify right side
    10,517,300.56x = 125,338,447,442,632.97
  5. Step 5: Solve for x
    x = 125,338,447,442,632.97/10,517,300.56
  6. Step 6: Final answer
    x = 11,917,359.09

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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.