Home / 20,369,597.40-28,109,654.60-11,202,240.15

Finding the Fourth Proportional to 20,369,597.40, 28,109,654.60 and 11,202,240.15

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Solution

The fourth proportional to 20,369,597.40, 28,109,654.60 and 11,202,240.15 is: 15,458,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369,597.40 : 28,109,654.60 = 11,202,240.15 : x
  2. Step 2: Convert to fraction form
    20,369,597.40/28,109,654.60 = 11,202,240.15/x
  3. Step 3: Cross multiply
    20,369,597.40x = 28,109,654.60 × 11,202,240.15
  4. Step 4: Simplify right side
    20,369,597.40x = 314,891,101,306,741
  5. Step 5: Solve for x
    x = 314,891,101,306,741/20,369,597.40
  6. Step 6: Final answer
    x = 15,458,877.03

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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.