Home / 10,682,689.78-14,747,221.02-6,098,125.42

Finding the Fourth Proportional to 10,682,689.78, 14,747,221.02 and 6,098,125.42

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Solution

The fourth proportional to 10,682,689.78, 14,747,221.02 and 6,098,125.42 is: 8,418,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,682,689.78 : 14,747,221.02 = 6,098,125.42 : x
  2. Step 2: Convert to fraction form
    10,682,689.78/14,747,221.02 = 6,098,125.42/x
  3. Step 3: Cross multiply
    10,682,689.78x = 14,747,221.02 × 6,098,125.42
  4. Step 4: Simplify right side
    10,682,689.78x = 89,930,403,376,420.33
  5. Step 5: Solve for x
    x = 89,930,403,376,420.33/10,682,689.78
  6. Step 6: Final answer
    x = 8,418,329.58

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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.