Home / 12,645,525.29-17,451,247.28-7,749,801.46

Finding the Fourth Proportional to 12,645,525.29, 17,451,247.28 and 7,749,801.46

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Solution

The fourth proportional to 12,645,525.29, 17,451,247.28 and 7,749,801.46 is: 10,694,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,525.29 : 17,451,247.28 = 7,749,801.46 : x
  2. Step 2: Convert to fraction form
    12,645,525.29/17,451,247.28 = 7,749,801.46/x
  3. Step 3: Cross multiply
    12,645,525.29x = 17,451,247.28 × 7,749,801.46
  4. Step 4: Simplify right side
    12,645,525.29x = 135,243,701,562,108.80
  5. Step 5: Solve for x
    x = 135,243,701,562,108.80/12,645,525.29
  6. Step 6: Final answer
    x = 10,694,984.86

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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.