Home / 13,971,544.40-20,915,326.20-8,288,843.60

Finding the Fourth Proportional to 13,971,544.40, 20,915,326.20 and 8,288,843.60

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Solution

The fourth proportional to 13,971,544.40, 20,915,326.20 and 8,288,843.60 is: 12,408,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,544.40 : 20,915,326.20 = 8,288,843.60 : x
  2. Step 2: Convert to fraction form
    13,971,544.40/20,915,326.20 = 8,288,843.60/x
  3. Step 3: Cross multiply
    13,971,544.40x = 20,915,326.20 × 8,288,843.60
  4. Step 4: Simplify right side
    13,971,544.40x = 173,363,867,714,782.31
  5. Step 5: Solve for x
    x = 173,363,867,714,782.31/13,971,544.40
  6. Step 6: Final answer
    x = 12,408,353.92

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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.