Home / 12,755,461.85-17,601,778.82-7,248,072.33

Finding the Fourth Proportional to 12,755,461.85, 17,601,778.82 and 7,248,072.33

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Solution

The fourth proportional to 12,755,461.85, 17,601,778.82 and 7,248,072.33 is: 10,001,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,461.85 : 17,601,778.82 = 7,248,072.33 : x
  2. Step 2: Convert to fraction form
    12,755,461.85/17,601,778.82 = 7,248,072.33/x
  3. Step 3: Cross multiply
    12,755,461.85x = 17,601,778.82 × 7,248,072.33
  4. Step 4: Simplify right side
    12,755,461.85x = 127,578,965,987,781.70
  5. Step 5: Solve for x
    x = 127,578,965,987,781.70/12,755,461.85
  6. Step 6: Final answer
    x = 10,001,908.79

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1.5x scale

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.