Home / 21,722,427.88-29,976,427.62-12,064,643.56

Finding the Fourth Proportional to 21,722,427.88, 29,976,427.62 and 12,064,643.56

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Solution

The fourth proportional to 21,722,427.88, 29,976,427.62 and 12,064,643.56 is: 16,648,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722,427.88 : 29,976,427.62 = 12,064,643.56 : x
  2. Step 2: Convert to fraction form
    21,722,427.88/29,976,427.62 = 12,064,643.56/x
  3. Step 3: Cross multiply
    21,722,427.88x = 29,976,427.62 × 12,064,643.56
  4. Step 4: Simplify right side
    21,722,427.88x = 361,654,914,437,439.12
  5. Step 5: Solve for x
    x = 361,654,914,437,439.12/21,722,427.88
  6. Step 6: Final answer
    x = 16,648,917.72

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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.