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Finding the Fourth Proportional to 8,805,845.80, 13,193,022.30 and 7,546,133.80

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Solution

The fourth proportional to 8,805,845.80, 13,193,022.30 and 7,546,133.80 is: 11,305,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,845.80 : 13,193,022.30 = 7,546,133.80 : x
  2. Step 2: Convert to fraction form
    8,805,845.80/13,193,022.30 = 7,546,133.80/x
  3. Step 3: Cross multiply
    8,805,845.80x = 13,193,022.30 × 7,546,133.80
  4. Step 4: Simplify right side
    8,805,845.80x = 99,556,311,502,183.75
  5. Step 5: Solve for x
    x = 99,556,311,502,183.75/8,805,845.80
  6. Step 6: Final answer
    x = 11,305,706.89

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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.