Home / 10,965,187.58-15,133,542.45-6,318,082.92

Finding the Fourth Proportional to 10,965,187.58, 15,133,542.45 and 6,318,082.92

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Solution

The fourth proportional to 10,965,187.58, 15,133,542.45 and 6,318,082.92 is: 8,719,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965,187.58 : 15,133,542.45 = 6,318,082.92 : x
  2. Step 2: Convert to fraction form
    10,965,187.58/15,133,542.45 = 6,318,082.92/x
  3. Step 3: Cross multiply
    10,965,187.58x = 15,133,542.45 × 6,318,082.92
  4. Step 4: Simplify right side
    10,965,187.58x = 95,614,976,072,439.95
  5. Step 5: Solve for x
    x = 95,614,976,072,439.95/10,965,187.58
  6. Step 6: Final answer
    x = 8,719,866.88

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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.