Home / 10,667,693.55-15,999,915.87-3,479,215.71

Finding the Fourth Proportional to 10,667,693.55, 15,999,915.87 and 3,479,215.71

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Solution

The fourth proportional to 10,667,693.55, 15,999,915.87 and 3,479,215.71 is: 5,218,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667,693.55 : 15,999,915.87 = 3,479,215.71 : x
  2. Step 2: Convert to fraction form
    10,667,693.55/15,999,915.87 = 3,479,215.71/x
  3. Step 3: Cross multiply
    10,667,693.55x = 15,999,915.87 × 3,479,215.71
  4. Step 4: Simplify right side
    10,667,693.55x = 55,667,158,653,582.31
  5. Step 5: Solve for x
    x = 55,667,158,653,582.31/10,667,693.55
  6. Step 6: Final answer
    x = 5,218,293.76

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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.