Home / 18,638,083.69-25,720,310.24-10,265,292.68

Finding the Fourth Proportional to 18,638,083.69, 25,720,310.24 and 10,265,292.68

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Solution

The fourth proportional to 18,638,083.69, 25,720,310.24 and 10,265,292.68 is: 14,165,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,083.69 : 25,720,310.24 = 10,265,292.68 : x
  2. Step 2: Convert to fraction form
    18,638,083.69/25,720,310.24 = 10,265,292.68/x
  3. Step 3: Cross multiply
    18,638,083.69x = 25,720,310.24 × 10,265,292.68
  4. Step 4: Simplify right side
    18,638,083.69x = 264,026,512,331,062.75
  5. Step 5: Solve for x
    x = 264,026,512,331,062.75/18,638,083.69
  6. Step 6: Final answer
    x = 14,165,968.82

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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.