Home / 19,777,334.72-29,661,348-11,145,199.04

Finding the Fourth Proportional to 19,777,334.72, 29,661,348 and 11,145,199.04

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Solution

The fourth proportional to 19,777,334.72, 29,661,348 and 11,145,199.04 is: 16,715,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777,334.72 : 29,661,348 = 11,145,199.04 : x
  2. Step 2: Convert to fraction form
    19,777,334.72/29,661,348 = 11,145,199.04/x
  3. Step 3: Cross multiply
    19,777,334.72x = 29,661,348 × 11,145,199.04
  4. Step 4: Simplify right side
    19,777,334.72x = 330,581,627,254,705.88
  5. Step 5: Solve for x
    x = 330,581,627,254,705.88/19,777,334.72
  6. Step 6: Final answer
    x = 16,715,175.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.