Home / 13,614,207.80-18,788,536.12-8,318,170.22

Finding the Fourth Proportional to 13,614,207.80, 18,788,536.12 and 8,318,170.22

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Solution

The fourth proportional to 13,614,207.80, 18,788,536.12 and 8,318,170.22 is: 11,479,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,207.80 : 18,788,536.12 = 8,318,170.22 : x
  2. Step 2: Convert to fraction form
    13,614,207.80/18,788,536.12 = 8,318,170.22/x
  3. Step 3: Cross multiply
    13,614,207.80x = 18,788,536.12 × 8,318,170.22
  4. Step 4: Simplify right side
    13,614,207.80x = 156,286,241,630,778.34
  5. Step 5: Solve for x
    x = 156,286,241,630,778.34/13,614,207.80
  6. Step 6: Final answer
    x = 11,479,642.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.