Home / 10,221,121.52-15,338,500.34-5,301,687.14

Finding the Fourth Proportional to 10,221,121.52, 15,338,500.34 and 5,301,687.14

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Solution

The fourth proportional to 10,221,121.52, 15,338,500.34 and 5,301,687.14 is: 7,956,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,121.52 : 15,338,500.34 = 5,301,687.14 : x
  2. Step 2: Convert to fraction form
    10,221,121.52/15,338,500.34 = 5,301,687.14/x
  3. Step 3: Cross multiply
    10,221,121.52x = 15,338,500.34 × 5,301,687.14
  4. Step 4: Simplify right side
    10,221,121.52x = 81,319,929,999,463.62
  5. Step 5: Solve for x
    x = 81,319,929,999,463.62/10,221,121.52
  6. Step 6: Final answer
    x = 7,956,067.23

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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.