Home / 20,258,556.30-30,388,376.34-6,612,531.66

Finding the Fourth Proportional to 20,258,556.30, 30,388,376.34 and 6,612,531.66

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Solution

The fourth proportional to 20,258,556.30, 30,388,376.34 and 6,612,531.66 is: 9,918,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,556.30 : 30,388,376.34 = 6,612,531.66 : x
  2. Step 2: Convert to fraction form
    20,258,556.30/30,388,376.34 = 6,612,531.66/x
  3. Step 3: Cross multiply
    20,258,556.30x = 30,388,376.34 × 6,612,531.66
  4. Step 4: Simplify right side
    20,258,556.30x = 200,944,100,644,244.94
  5. Step 5: Solve for x
    x = 200,944,100,644,244.94/20,258,556.30
  6. Step 6: Final answer
    x = 9,918,974.37

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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.