Home / 18,638,013.30-25,722,714.33-10,693,464.48

Finding the Fourth Proportional to 18,638,013.30, 25,722,714.33 and 10,693,464.48

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Solution

The fourth proportional to 18,638,013.30, 25,722,714.33 and 10,693,464.48 is: 14,758,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,013.30 : 25,722,714.33 = 10,693,464.48 : x
  2. Step 2: Convert to fraction form
    18,638,013.30/25,722,714.33 = 10,693,464.48/x
  3. Step 3: Cross multiply
    18,638,013.30x = 25,722,714.33 × 10,693,464.48
  4. Step 4: Simplify right side
    18,638,013.30x = 275,064,932,017,042
  5. Step 5: Solve for x
    x = 275,064,932,017,042/18,638,013.30
  6. Step 6: Final answer
    x = 14,758,275.34

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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.