Home / 12,274,781.60-18,411,506.76-3,755,118.80

Finding the Fourth Proportional to 12,274,781.60, 18,411,506.76 and 3,755,118.80

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Solution

The fourth proportional to 12,274,781.60, 18,411,506.76 and 3,755,118.80 is: 5,632,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,781.60 : 18,411,506.76 = 3,755,118.80 : x
  2. Step 2: Convert to fraction form
    12,274,781.60/18,411,506.76 = 3,755,118.80/x
  3. Step 3: Cross multiply
    12,274,781.60x = 18,411,506.76 × 3,755,118.80
  4. Step 4: Simplify right side
    12,274,781.60x = 69,137,395,170,803.09
  5. Step 5: Solve for x
    x = 69,137,395,170,803.09/12,274,781.60
  6. Step 6: Final answer
    x = 5,632,474.57

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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.