Home / 7,279,228.46-10,909,987.76-5,149,926.38

Finding the Fourth Proportional to 7,279,228.46, 10,909,987.76 and 5,149,926.38

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Solution

The fourth proportional to 7,279,228.46, 10,909,987.76 and 5,149,926.38 is: 7,718,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,228.46 : 10,909,987.76 = 5,149,926.38 : x
  2. Step 2: Convert to fraction form
    7,279,228.46/10,909,987.76 = 5,149,926.38/x
  3. Step 3: Cross multiply
    7,279,228.46x = 10,909,987.76 × 5,149,926.38
  4. Step 4: Simplify right side
    7,279,228.46x = 56,185,633,770,701.11
  5. Step 5: Solve for x
    x = 56,185,633,770,701.11/7,279,228.46
  6. Step 6: Final answer
    x = 7,718,624.86

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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.