Home / 12,269,302.60-18,403,781.10-5,537,705.80

Finding the Fourth Proportional to 12,269,302.60, 18,403,781.10 and 5,537,705.80

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Solution

The fourth proportional to 12,269,302.60, 18,403,781.10 and 5,537,705.80 is: 8,306,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,302.60 : 18,403,781.10 = 5,537,705.80 : x
  2. Step 2: Convert to fraction form
    12,269,302.60/18,403,781.10 = 5,537,705.80/x
  3. Step 3: Cross multiply
    12,269,302.60x = 18,403,781.10 × 5,537,705.80
  4. Step 4: Simplify right side
    12,269,302.60x = 101,914,725,339,400.39
  5. Step 5: Solve for x
    x = 101,914,725,339,400.39/12,269,302.60
  6. Step 6: Final answer
    x = 8,306,480.71

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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.