Home / 6,988,515.63-9,644,131.81-3,932,729.85

Finding the Fourth Proportional to 6,988,515.63, 9,644,131.81 and 3,932,729.85

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Solution

The fourth proportional to 6,988,515.63, 9,644,131.81 and 3,932,729.85 is: 5,427,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,515.63 : 9,644,131.81 = 3,932,729.85 : x
  2. Step 2: Convert to fraction form
    6,988,515.63/9,644,131.81 = 3,932,729.85/x
  3. Step 3: Cross multiply
    6,988,515.63x = 9,644,131.81 × 3,932,729.85
  4. Step 4: Simplify right side
    6,988,515.63x = 37,927,765,046,521.53
  5. Step 5: Solve for x
    x = 37,927,765,046,521.53/6,988,515.63
  6. Step 6: Final answer
    x = 5,427,156.07

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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.