Home / 10,889,711.56-15,027,341.61-5,928,049.78

Finding the Fourth Proportional to 10,889,711.56, 15,027,341.61 and 5,928,049.78

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Solution

The fourth proportional to 10,889,711.56, 15,027,341.61 and 5,928,049.78 is: 8,180,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889,711.56 : 15,027,341.61 = 5,928,049.78 : x
  2. Step 2: Convert to fraction form
    10,889,711.56/15,027,341.61 = 5,928,049.78/x
  3. Step 3: Cross multiply
    10,889,711.56x = 15,027,341.61 × 5,928,049.78
  4. Step 4: Simplify right side
    10,889,711.56x = 89,082,829,125,145.34
  5. Step 5: Solve for x
    x = 89,082,829,125,145.34/10,889,711.56
  6. Step 6: Final answer
    x = 8,180,458.10

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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.