Home / 18,712,540.48-25,825,546.56-11,371,573.12

Finding the Fourth Proportional to 18,712,540.48, 25,825,546.56 and 11,371,573.12

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Solution

The fourth proportional to 18,712,540.48, 25,825,546.56 and 11,371,573.12 is: 15,694,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,540.48 : 25,825,546.56 = 11,371,573.12 : x
  2. Step 2: Convert to fraction form
    18,712,540.48/25,825,546.56 = 11,371,573.12/x
  3. Step 3: Cross multiply
    18,712,540.48x = 25,825,546.56 × 11,371,573.12
  4. Step 4: Simplify right side
    18,712,540.48x = 293,677,091,071,004.44
  5. Step 5: Solve for x
    x = 293,677,091,071,004.44/18,712,540.48
  6. Step 6: Final answer
    x = 15,694,132.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.