Home / 12,274,791.23-18,411,521.20-3,755,128.43

Finding the Fourth Proportional to 12,274,791.23, 18,411,521.20 and 3,755,128.43

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Solution

The fourth proportional to 12,274,791.23, 18,411,521.20 and 3,755,128.43 is: 5,632,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,791.23 : 18,411,521.20 = 3,755,128.43 : x
  2. Step 2: Convert to fraction form
    12,274,791.23/18,411,521.20 = 3,755,128.43/x
  3. Step 3: Cross multiply
    12,274,791.23x = 18,411,521.20 × 3,755,128.43
  4. Step 4: Simplify right side
    12,274,791.23x = 69,137,626,596,222.29
  5. Step 5: Solve for x
    x = 69,137,626,596,222.29/12,274,791.23
  6. Step 6: Final answer
    x = 5,632,489.00

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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.