Home / 12,117,613.35-18,176,420.03-8,291,238.15

Finding the Fourth Proportional to 12,117,613.35, 18,176,420.03 and 8,291,238.15

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Solution

The fourth proportional to 12,117,613.35, 18,176,420.03 and 8,291,238.15 is: 12,436,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,613.35 : 18,176,420.03 = 8,291,238.15 : x
  2. Step 2: Convert to fraction form
    12,117,613.35/18,176,420.03 = 8,291,238.15/x
  3. Step 3: Cross multiply
    12,117,613.35x = 18,176,420.03 × 8,291,238.15
  4. Step 4: Simplify right side
    12,117,613.35x = 150,705,027,183,160.16
  5. Step 5: Solve for x
    x = 150,705,027,183,160.16/12,117,613.35
  6. Step 6: Final answer
    x = 12,436,857.23

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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.