Home / 10,366,586.55-15,549,879.83-7,138,082.48

Finding the Fourth Proportional to 10,366,586.55, 15,549,879.83 and 7,138,082.48

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Solution

The fourth proportional to 10,366,586.55, 15,549,879.83 and 7,138,082.48 is: 10,707,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,586.55 : 15,549,879.83 = 7,138,082.48 : x
  2. Step 2: Convert to fraction form
    10,366,586.55/15,549,879.83 = 7,138,082.48/x
  3. Step 3: Cross multiply
    10,366,586.55x = 15,549,879.83 × 7,138,082.48
  4. Step 4: Simplify right side
    10,366,586.55x = 110,996,324,667,188.56
  5. Step 5: Solve for x
    x = 110,996,324,667,188.56/10,366,586.55
  6. Step 6: Final answer
    x = 10,707,123.71

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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.