Home / 19,646,193.80-29,469,290.70-10,080,255.80

Finding the Fourth Proportional to 19,646,193.80, 29,469,290.70 and 10,080,255.80

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Solution

The fourth proportional to 19,646,193.80, 29,469,290.70 and 10,080,255.80 is: 15,120,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646,193.80 : 29,469,290.70 = 10,080,255.80 : x
  2. Step 2: Convert to fraction form
    19,646,193.80/29,469,290.70 = 10,080,255.80/x
  3. Step 3: Cross multiply
    19,646,193.80x = 29,469,290.70 × 10,080,255.80
  4. Step 4: Simplify right side
    19,646,193.80x = 297,057,988,500,561.06
  5. Step 5: Solve for x
    x = 297,057,988,500,561.06/19,646,193.80
  6. Step 6: Final answer
    x = 15,120,383.70

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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.