Home / 15,814,455.44-21,823,787.16-8,845,116.36

Finding the Fourth Proportional to 15,814,455.44, 21,823,787.16 and 8,845,116.36

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Solution

The fourth proportional to 15,814,455.44, 21,823,787.16 and 8,845,116.36 is: 12,206,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814,455.44 : 21,823,787.16 = 8,845,116.36 : x
  2. Step 2: Convert to fraction form
    15,814,455.44/21,823,787.16 = 8,845,116.36/x
  3. Step 3: Cross multiply
    15,814,455.44x = 21,823,787.16 × 8,845,116.36
  4. Step 4: Simplify right side
    15,814,455.44x = 193,033,936,846,073.94
  5. Step 5: Solve for x
    x = 193,033,936,846,073.94/15,814,455.44
  6. Step 6: Final answer
    x = 12,206,170.33

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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.