Home / 11,342,419.20-15,654,055.68-7,212,853.44

Finding the Fourth Proportional to 11,342,419.20, 15,654,055.68 and 7,212,853.44

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Solution

The fourth proportional to 11,342,419.20, 15,654,055.68 and 7,212,853.44 is: 9,954,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342,419.20 : 15,654,055.68 = 7,212,853.44 : x
  2. Step 2: Convert to fraction form
    11,342,419.20/15,654,055.68 = 7,212,853.44/x
  3. Step 3: Cross multiply
    11,342,419.20x = 15,654,055.68 × 7,212,853.44
  4. Step 4: Simplify right side
    11,342,419.20x = 112,910,409,361,439.55
  5. Step 5: Solve for x
    x = 112,910,409,361,439.55/11,342,419.20
  6. Step 6: Final answer
    x = 9,954,702.55

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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.