Home / 20,701,306.54-28,567,996.68-11,409,217.12

Finding the Fourth Proportional to 20,701,306.54, 28,567,996.68 and 11,409,217.12

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Solution

The fourth proportional to 20,701,306.54, 28,567,996.68 and 11,409,217.12 is: 15,744,826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701,306.54 : 28,567,996.68 = 11,409,217.12 : x
  2. Step 2: Convert to fraction form
    20,701,306.54/28,567,996.68 = 11,409,217.12/x
  3. Step 3: Cross multiply
    20,701,306.54x = 28,567,996.68 × 11,409,217.12
  4. Step 4: Simplify right side
    20,701,306.54x = 325,938,476,805,559.12
  5. Step 5: Solve for x
    x = 325,938,476,805,559.12/20,701,306.54
  6. Step 6: Final answer
    x = 15,744,826.36

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1.5x scale

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.