Home / 13,199,209.20-19,770,820.20-10,959,721.20

Finding the Fourth Proportional to 13,199,209.20, 19,770,820.20 and 10,959,721.20

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Solution

The fourth proportional to 13,199,209.20, 19,770,820.20 and 10,959,721.20 is: 16,416,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199,209.20 : 19,770,820.20 = 10,959,721.20 : x
  2. Step 2: Convert to fraction form
    13,199,209.20/19,770,820.20 = 10,959,721.20/x
  3. Step 3: Cross multiply
    13,199,209.20x = 19,770,820.20 × 10,959,721.20
  4. Step 4: Simplify right side
    13,199,209.20x = 216,682,677,287,328.22
  5. Step 5: Solve for x
    x = 216,682,677,287,328.22/13,199,209.20
  6. Step 6: Final answer
    x = 16,416,337.83

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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.