Home / 21,476,722.89-29,638,234.31-11,687,579.67

Finding the Fourth Proportional to 21,476,722.89, 29,638,234.31 and 11,687,579.67

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Solution

The fourth proportional to 21,476,722.89, 29,638,234.31 and 11,687,579.67 is: 16,129,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,722.89 : 29,638,234.31 = 11,687,579.67 : x
  2. Step 2: Convert to fraction form
    21,476,722.89/29,638,234.31 = 11,687,579.67/x
  3. Step 3: Cross multiply
    21,476,722.89x = 29,638,234.31 × 11,687,579.67
  4. Step 4: Simplify right side
    21,476,722.89x = 346,399,224,776,252.44
  5. Step 5: Solve for x
    x = 346,399,224,776,252.44/21,476,722.89
  6. Step 6: Final answer
    x = 16,129,054.07

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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.