Home / 12,097,161.20-18,145,741.80-6,995,327.60

Finding the Fourth Proportional to 12,097,161.20, 18,145,741.80 and 6,995,327.60

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Solution

The fourth proportional to 12,097,161.20, 18,145,741.80 and 6,995,327.60 is: 10,492,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,161.20 : 18,145,741.80 = 6,995,327.60 : x
  2. Step 2: Convert to fraction form
    12,097,161.20/18,145,741.80 = 6,995,327.60/x
  3. Step 3: Cross multiply
    12,097,161.20x = 18,145,741.80 × 6,995,327.60
  4. Step 4: Simplify right side
    12,097,161.20x = 126,935,408,436,013.67
  5. Step 5: Solve for x
    x = 126,935,408,436,013.67/12,097,161.20
  6. Step 6: Final answer
    x = 10,492,991.40

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Similar ratio
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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.