Home / 19,618,824.72-27,058,640.52-12,745,521.36

Finding the Fourth Proportional to 19,618,824.72, 27,058,640.52 and 12,745,521.36

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Solution

The fourth proportional to 19,618,824.72, 27,058,640.52 and 12,745,521.36 is: 17,578,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618,824.72 : 27,058,640.52 = 12,745,521.36 : x
  2. Step 2: Convert to fraction form
    19,618,824.72/27,058,640.52 = 12,745,521.36/x
  3. Step 3: Cross multiply
    19,618,824.72x = 27,058,640.52 × 12,745,521.36
  4. Step 4: Simplify right side
    19,618,824.72x = 344,876,480,720,221.50
  5. Step 5: Solve for x
    x = 344,876,480,720,221.50/19,618,824.72
  6. Step 6: Final answer
    x = 17,578,855.29

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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.