Home / 13,408,067.60-20,112,101.40-12,451,473.80

Finding the Fourth Proportional to 13,408,067.60, 20,112,101.40 and 12,451,473.80

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Solution

The fourth proportional to 13,408,067.60, 20,112,101.40 and 12,451,473.80 is: 18,677,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,067.60 : 20,112,101.40 = 12,451,473.80 : x
  2. Step 2: Convert to fraction form
    13,408,067.60/20,112,101.40 = 12,451,473.80/x
  3. Step 3: Cross multiply
    13,408,067.60x = 20,112,101.40 × 12,451,473.80
  4. Step 4: Simplify right side
    13,408,067.60x = 250,425,303,645,043.31
  5. Step 5: Solve for x
    x = 250,425,303,645,043.31/13,408,067.60
  6. Step 6: Final answer
    x = 18,677,210.70

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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.