Home / 13,408,092.60-20,112,138.90-12,451,498.80

Finding the Fourth Proportional to 13,408,092.60, 20,112,138.90 and 12,451,498.80

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Solution

The fourth proportional to 13,408,092.60, 20,112,138.90 and 12,451,498.80 is: 18,677,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,092.60 : 20,112,138.90 = 12,451,498.80 : x
  2. Step 2: Convert to fraction form
    13,408,092.60/20,112,138.90 = 12,451,498.80/x
  3. Step 3: Cross multiply
    13,408,092.60x = 20,112,138.90 × 12,451,498.80
  4. Step 4: Simplify right side
    13,408,092.60x = 250,426,273,378,783.31
  5. Step 5: Solve for x
    x = 250,426,273,378,783.31/13,408,092.60
  6. Step 6: Final answer
    x = 18,677,248.20

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1.5x scale

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.