Home / 12,645,871.48-17,451,725.60-7,750,147.54

Finding the Fourth Proportional to 12,645,871.48, 17,451,725.60 and 7,750,147.54

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Solution

The fourth proportional to 12,645,871.48, 17,451,725.60 and 7,750,147.54 is: 10,695,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,871.48 : 17,451,725.60 = 7,750,147.54 : x
  2. Step 2: Convert to fraction form
    12,645,871.48/17,451,725.60 = 7,750,147.54/x
  3. Step 3: Cross multiply
    12,645,871.48x = 17,451,725.60 × 7,750,147.54
  4. Step 4: Simplify right side
    12,645,871.48x = 135,253,448,227,595.03
  5. Step 5: Solve for x
    x = 135,253,448,227,595.03/12,645,871.48
  6. Step 6: Final answer
    x = 10,695,462.82

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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.