Home / 10,138,586.28-13,990,713.96-5,787,499.56

Finding the Fourth Proportional to 10,138,586.28, 13,990,713.96 and 5,787,499.56

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Solution

The fourth proportional to 10,138,586.28, 13,990,713.96 and 5,787,499.56 is: 7,986,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,586.28 : 13,990,713.96 = 5,787,499.56 : x
  2. Step 2: Convert to fraction form
    10,138,586.28/13,990,713.96 = 5,787,499.56/x
  3. Step 3: Cross multiply
    10,138,586.28x = 13,990,713.96 × 5,787,499.56
  4. Step 4: Simplify right side
    10,138,586.28x = 80,971,250,887,585.86
  5. Step 5: Solve for x
    x = 80,971,250,887,585.86/10,138,586.28
  6. Step 6: Final answer
    x = 7,986,443.93

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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.