Home / 8,720,609.80-13,082,988.30-3,669,320.20

Finding the Fourth Proportional to 8,720,609.80, 13,082,988.30 and 3,669,320.20

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Solution

The fourth proportional to 8,720,609.80, 13,082,988.30 and 3,669,320.20 is: 5,504,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,609.80 : 13,082,988.30 = 3,669,320.20 : x
  2. Step 2: Convert to fraction form
    8,720,609.80/13,082,988.30 = 3,669,320.20/x
  3. Step 3: Cross multiply
    8,720,609.80x = 13,082,988.30 × 3,669,320.20
  4. Step 4: Simplify right side
    8,720,609.80x = 48,005,673,245,553.66
  5. Step 5: Solve for x
    x = 48,005,673,245,553.66/8,720,609.80
  6. Step 6: Final answer
    x = 5,504,852.80

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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.