Home / 13,486,291.20-20,229,436.80-3,901,982.40

Finding the Fourth Proportional to 13,486,291.20, 20,229,436.80 and 3,901,982.40

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Solution

The fourth proportional to 13,486,291.20, 20,229,436.80 and 3,901,982.40 is: 5,852,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,291.20 : 20,229,436.80 = 3,901,982.40 : x
  2. Step 2: Convert to fraction form
    13,486,291.20/20,229,436.80 = 3,901,982.40/x
  3. Step 3: Cross multiply
    13,486,291.20x = 20,229,436.80 × 3,901,982.40
  4. Step 4: Simplify right side
    13,486,291.20x = 78,934,906,355,512.33
  5. Step 5: Solve for x
    x = 78,934,906,355,512.33/13,486,291.20
  6. Step 6: Final answer
    x = 5,852,973.60

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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.