Home / 19,170,307.80-28,744,964.10-7,797,907.80

Finding the Fourth Proportional to 19,170,307.80, 28,744,964.10 and 7,797,907.80

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Solution

The fourth proportional to 19,170,307.80, 28,744,964.10 and 7,797,907.80 is: 11,692,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170,307.80 : 28,744,964.10 = 7,797,907.80 : x
  2. Step 2: Convert to fraction form
    19,170,307.80/28,744,964.10 = 7,797,907.80/x
  3. Step 3: Cross multiply
    19,170,307.80x = 28,744,964.10 × 7,797,907.80
  4. Step 4: Simplify right side
    19,170,307.80x = 224,150,579,766,110
  5. Step 5: Solve for x
    x = 224,150,579,766,110/19,170,307.80
  6. Step 6: Final answer
    x = 11,692,591.59

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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.