Home / 6,988,515.88-9,644,132.16-3,932,730.10

Finding the Fourth Proportional to 6,988,515.88, 9,644,132.16 and 3,932,730.10

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Solution

The fourth proportional to 6,988,515.88, 9,644,132.16 and 3,932,730.10 is: 5,427,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,515.88 : 9,644,132.16 = 3,932,730.10 : x
  2. Step 2: Convert to fraction form
    6,988,515.88/9,644,132.16 = 3,932,730.10/x
  3. Step 3: Cross multiply
    6,988,515.88x = 9,644,132.16 × 3,932,730.10
  4. Step 4: Simplify right side
    6,988,515.88x = 37,927,768,834,010.02
  5. Step 5: Solve for x
    x = 37,927,768,834,010.02/6,988,515.88
  6. Step 6: Final answer
    x = 5,427,156.42

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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.