Home / 15,179,813.74-20,948,637.91-8,304,295.60

Finding the Fourth Proportional to 15,179,813.74, 20,948,637.91 and 8,304,295.60

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Solution

The fourth proportional to 15,179,813.74, 20,948,637.91 and 8,304,295.60 is: 11,460,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179,813.74 : 20,948,637.91 = 8,304,295.60 : x
  2. Step 2: Convert to fraction form
    15,179,813.74/20,948,637.91 = 8,304,295.60/x
  3. Step 3: Cross multiply
    15,179,813.74x = 20,948,637.91 × 8,304,295.60
  4. Step 4: Simplify right side
    15,179,813.74x = 173,963,681,517,263
  5. Step 5: Solve for x
    x = 173,963,681,517,263/15,179,813.74
  6. Step 6: Final answer
    x = 11,460,198.69

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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.