Home / 19,170,319.80-28,744,982.10-7,797,919.80

Finding the Fourth Proportional to 19,170,319.80, 28,744,982.10 and 7,797,919.80

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Solution

The fourth proportional to 19,170,319.80, 28,744,982.10 and 7,797,919.80 is: 11,692,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170,319.80 : 28,744,982.10 = 7,797,919.80 : x
  2. Step 2: Convert to fraction form
    19,170,319.80/28,744,982.10 = 7,797,919.80/x
  3. Step 3: Cross multiply
    19,170,319.80x = 28,744,982.10 × 7,797,919.80
  4. Step 4: Simplify right side
    19,170,319.80x = 224,151,065,068,235.59
  5. Step 5: Solve for x
    x = 224,151,065,068,235.59/19,170,319.80
  6. Step 6: Final answer
    x = 11,692,609.59

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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.