Home / 18,833,540.73-25,998,183.95-12,730,236.09

Finding the Fourth Proportional to 18,833,540.73, 25,998,183.95 and 12,730,236.09

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Solution

The fourth proportional to 18,833,540.73, 25,998,183.95 and 12,730,236.09 is: 17,573,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833,540.73 : 25,998,183.95 = 12,730,236.09 : x
  2. Step 2: Convert to fraction form
    18,833,540.73/25,998,183.95 = 12,730,236.09/x
  3. Step 3: Cross multiply
    18,833,540.73x = 25,998,183.95 × 12,730,236.09
  4. Step 4: Simplify right side
    18,833,540.73x = 330,963,019,531,097.56
  5. Step 5: Solve for x
    x = 330,963,019,531,097.56/18,833,540.73
  6. Step 6: Final answer
    x = 17,573,064.16

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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.