Home / 21,476,722.98-29,638,234.38-11,687,579.76

Finding the Fourth Proportional to 21,476,722.98, 29,638,234.38 and 11,687,579.76

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Solution

The fourth proportional to 21,476,722.98, 29,638,234.38 and 11,687,579.76 is: 16,129,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,722.98 : 29,638,234.38 = 11,687,579.76 : x
  2. Step 2: Convert to fraction form
    21,476,722.98/29,638,234.38 = 11,687,579.76/x
  3. Step 3: Cross multiply
    21,476,722.98x = 29,638,234.38 × 11,687,579.76
  4. Step 4: Simplify right side
    21,476,722.98x = 346,399,228,261,824.12
  5. Step 5: Solve for x
    x = 346,399,228,261,824.12/21,476,722.98
  6. Step 6: Final answer
    x = 16,129,054.17

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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.