Home / 12,682,256.52-17,501,293.28-7,718,903.76

Finding the Fourth Proportional to 12,682,256.52, 17,501,293.28 and 7,718,903.76

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Solution

The fourth proportional to 12,682,256.52, 17,501,293.28 and 7,718,903.76 is: 10,651,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,256.52 : 17,501,293.28 = 7,718,903.76 : x
  2. Step 2: Convert to fraction form
    12,682,256.52/17,501,293.28 = 7,718,903.76/x
  3. Step 3: Cross multiply
    12,682,256.52x = 17,501,293.28 × 7,718,903.76
  4. Step 4: Simplify right side
    12,682,256.52x = 135,090,798,503,854.73
  5. Step 5: Solve for x
    x = 135,090,798,503,854.73/12,682,256.52
  6. Step 6: Final answer
    x = 10,651,952.85

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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.