Home / 12,307,984.12-16,986,040.81-6,802,433.97

Finding the Fourth Proportional to 12,307,984.12, 16,986,040.81 and 6,802,433.97

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Solution

The fourth proportional to 12,307,984.12, 16,986,040.81 and 6,802,433.97 is: 9,387,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,984.12 : 16,986,040.81 = 6,802,433.97 : x
  2. Step 2: Convert to fraction form
    12,307,984.12/16,986,040.81 = 6,802,433.97/x
  3. Step 3: Cross multiply
    12,307,984.12x = 16,986,040.81 × 6,802,433.97
  4. Step 4: Simplify right side
    12,307,984.12x = 115,546,420,941,046.58
  5. Step 5: Solve for x
    x = 115,546,420,941,046.58/12,307,984.12
  6. Step 6: Final answer
    x = 9,387,924.12

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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.