Home / 10,947,132.75-15,110,195.61-7,228,678.71

Finding the Fourth Proportional to 10,947,132.75, 15,110,195.61 and 7,228,678.71

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Solution

The fourth proportional to 10,947,132.75, 15,110,195.61 and 7,228,678.71 is: 9,977,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947,132.75 : 15,110,195.61 = 7,228,678.71 : x
  2. Step 2: Convert to fraction form
    10,947,132.75/15,110,195.61 = 7,228,678.71/x
  3. Step 3: Cross multiply
    10,947,132.75x = 15,110,195.61 × 7,228,678.71
  4. Step 4: Simplify right side
    10,947,132.75x = 109,226,749,273,799.08
  5. Step 5: Solve for x
    x = 109,226,749,273,799.08/10,947,132.75
  6. Step 6: Final answer
    x = 9,977,658.24

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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.