Home / 12,186,261.98-18,261,456.83-5,356,580.83

Finding the Fourth Proportional to 12,186,261.98, 18,261,456.83 and 5,356,580.83

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Solution

The fourth proportional to 12,186,261.98, 18,261,456.83 and 5,356,580.83 is: 8,026,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,261.98 : 18,261,456.83 = 5,356,580.83 : x
  2. Step 2: Convert to fraction form
    12,186,261.98/18,261,456.83 = 5,356,580.83/x
  3. Step 3: Cross multiply
    12,186,261.98x = 18,261,456.83 × 5,356,580.83
  4. Step 4: Simplify right side
    12,186,261.98x = 97,818,969,561,231.97
  5. Step 5: Solve for x
    x = 97,818,969,561,231.97/12,186,261.98
  6. Step 6: Final answer
    x = 8,026,987.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.