Home / 18,242,796.30-25,175,060.86-9,982,860.34

Finding the Fourth Proportional to 18,242,796.30, 25,175,060.86 and 9,982,860.34

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Solution

The fourth proportional to 18,242,796.30, 25,175,060.86 and 9,982,860.34 is: 13,776,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,796.30 : 25,175,060.86 = 9,982,860.34 : x
  2. Step 2: Convert to fraction form
    18,242,796.30/25,175,060.86 = 9,982,860.34/x
  3. Step 3: Cross multiply
    18,242,796.30x = 25,175,060.86 × 9,982,860.34
  4. Step 4: Simplify right side
    18,242,796.30x = 251,319,116,616,380.28
  5. Step 5: Solve for x
    x = 251,319,116,616,380.28/18,242,796.30
  6. Step 6: Final answer
    x = 13,776,348.35

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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.