Home / 7,797,307.80-11,694,212.10-5,120,419.80

Finding the Fourth Proportional to 7,797,307.80, 11,694,212.10 and 5,120,419.80

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Solution

The fourth proportional to 7,797,307.80, 11,694,212.10 and 5,120,419.80 is: 7,679,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797,307.80 : 11,694,212.10 = 5,120,419.80 : x
  2. Step 2: Convert to fraction form
    7,797,307.80/11,694,212.10 = 5,120,419.80/x
  3. Step 3: Cross multiply
    7,797,307.80x = 11,694,212.10 × 5,120,419.80
  4. Step 4: Simplify right side
    7,797,307.80x = 59,879,275,182,239.58
  5. Step 5: Solve for x
    x = 59,879,275,182,239.58/7,797,307.80
  6. Step 6: Final answer
    x = 7,679,480.75

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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.