Home / 21,333,725.21-29,440,618.85-11,544,169.48

Finding the Fourth Proportional to 21,333,725.21, 29,440,618.85 and 11,544,169.48

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Solution

The fourth proportional to 21,333,725.21, 29,440,618.85 and 11,544,169.48 is: 15,930,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,725.21 : 29,440,618.85 = 11,544,169.48 : x
  2. Step 2: Convert to fraction form
    21,333,725.21/29,440,618.85 = 11,544,169.48/x
  3. Step 3: Cross multiply
    21,333,725.21x = 29,440,618.85 × 11,544,169.48
  4. Step 4: Simplify right side
    21,333,725.21x = 339,867,493,600,482.75
  5. Step 5: Solve for x
    x = 339,867,493,600,482.75/21,333,725.21
  6. Step 6: Final answer
    x = 15,930,996.12

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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.