Home / 12,096,145.80-18,144,218.70-9,110,161.80

Finding the Fourth Proportional to 12,096,145.80, 18,144,218.70 and 9,110,161.80

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Solution

The fourth proportional to 12,096,145.80, 18,144,218.70 and 9,110,161.80 is: 13,665,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,145.80 : 18,144,218.70 = 9,110,161.80 : x
  2. Step 2: Convert to fraction form
    12,096,145.80/18,144,218.70 = 9,110,161.80/x
  3. Step 3: Cross multiply
    12,096,145.80x = 18,144,218.70 × 9,110,161.80
  4. Step 4: Simplify right side
    12,096,145.80x = 165,296,768,091,585.66
  5. Step 5: Solve for x
    x = 165,296,768,091,585.66/12,096,145.80
  6. Step 6: Final answer
    x = 13,665,242.70

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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.