Home / 6,687,929.30-9,230,130.33-3,971,675.30

Finding the Fourth Proportional to 6,687,929.30, 9,230,130.33 and 3,971,675.30

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Solution

The fourth proportional to 6,687,929.30, 9,230,130.33 and 3,971,675.30 is: 5,481,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,929.30 : 9,230,130.33 = 3,971,675.30 : x
  2. Step 2: Convert to fraction form
    6,687,929.30/9,230,130.33 = 3,971,675.30/x
  3. Step 3: Cross multiply
    6,687,929.30x = 9,230,130.33 × 3,971,675.30
  4. Step 4: Simplify right side
    6,687,929.30x = 36,659,080,647,441.84
  5. Step 5: Solve for x
    x = 36,659,080,647,441.84/6,687,929.30
  6. Step 6: Final answer
    x = 5,481,379.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.