Home / 21,481,590.88-29,644,718.70-11,692,011.70

Finding the Fourth Proportional to 21,481,590.88, 29,644,718.70 and 11,692,011.70

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Solution

The fourth proportional to 21,481,590.88, 29,644,718.70 and 11,692,011.70 is: 16,135,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,590.88 : 29,644,718.70 = 11,692,011.70 : x
  2. Step 2: Convert to fraction form
    21,481,590.88/29,644,718.70 = 11,692,011.70/x
  3. Step 3: Cross multiply
    21,481,590.88x = 29,644,718.70 × 11,692,011.70
  4. Step 4: Simplify right side
    21,481,590.88x = 346,606,397,883,608.75
  5. Step 5: Solve for x
    x = 346,606,397,883,608.75/21,481,590.88
  6. Step 6: Final answer
    x = 16,135,043.25

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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.