Home / 43,467,072.70-65,200,609.05-13,170,999.10

Finding the Fourth Proportional to 43,467,072.70, 65,200,609.05 and 13,170,999.10

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Solution

The fourth proportional to 43,467,072.70, 65,200,609.05 and 13,170,999.10 is: 19,756,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467,072.70 : 65,200,609.05 = 13,170,999.10 : x
  2. Step 2: Convert to fraction form
    43,467,072.70/65,200,609.05 = 13,170,999.10/x
  3. Step 3: Cross multiply
    43,467,072.70x = 65,200,609.05 × 13,170,999.10
  4. Step 4: Simplify right side
    43,467,072.70x = 858,757,163,117,001.75
  5. Step 5: Solve for x
    x = 858,757,163,117,001.75/43,467,072.70
  6. Step 6: Final answer
    x = 19,756,498.65

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Double scale
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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.