Home / 12,004,959.98-18,008,990.08-5,526,472.79

Finding the Fourth Proportional to 12,004,959.98, 18,008,990.08 and 5,526,472.79

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Solution

The fourth proportional to 12,004,959.98, 18,008,990.08 and 5,526,472.79 is: 8,290,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004,959.98 : 18,008,990.08 = 5,526,472.79 : x
  2. Step 2: Convert to fraction form
    12,004,959.98/18,008,990.08 = 5,526,472.79/x
  3. Step 3: Cross multiply
    12,004,959.98x = 18,008,990.08 × 5,526,472.79
  4. Step 4: Simplify right side
    12,004,959.98x = 99,526,193,683,706.23
  5. Step 5: Solve for x
    x = 99,526,193,683,706.23/12,004,959.98
  6. Step 6: Final answer
    x = 8,290,422.78

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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.