Home / 28,092,794.30-38,771,202.39-15,870,438.62

Finding the Fourth Proportional to 28,092,794.30, 38,771,202.39 and 15,870,438.62

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Solution

The fourth proportional to 28,092,794.30, 38,771,202.39 and 15,870,438.62 is: 21,902,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,794.30 : 38,771,202.39 = 15,870,438.62 : x
  2. Step 2: Convert to fraction form
    28,092,794.30/38,771,202.39 = 15,870,438.62/x
  3. Step 3: Cross multiply
    28,092,794.30x = 38,771,202.39 × 15,870,438.62
  4. Step 4: Simplify right side
    28,092,794.30x = 615,315,987,754,092.25
  5. Step 5: Solve for x
    x = 615,315,987,754,092.25/28,092,794.30
  6. Step 6: Final answer
    x = 21,902,982.71

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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.