Home / 19,668,517.80-29,502,776.70-17,755,330.20

Finding the Fourth Proportional to 19,668,517.80, 29,502,776.70 and 17,755,330.20

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Solution

The fourth proportional to 19,668,517.80, 29,502,776.70 and 17,755,330.20 is: 26,632,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668,517.80 : 29,502,776.70 = 17,755,330.20 : x
  2. Step 2: Convert to fraction form
    19,668,517.80/29,502,776.70 = 17,755,330.20/x
  3. Step 3: Cross multiply
    19,668,517.80x = 29,502,776.70 × 17,755,330.20
  4. Step 4: Simplify right side
    19,668,517.80x = 523,831,542,125,366.31
  5. Step 5: Solve for x
    x = 523,831,542,125,366.31/19,668,517.80
  6. Step 6: Final answer
    x = 26,632,995.30

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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.