Home / 17,381,638.80-26,072,328.60-5,251,078.80

Finding the Fourth Proportional to 17,381,638.80, 26,072,328.60 and 5,251,078.80

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Solution

The fourth proportional to 17,381,638.80, 26,072,328.60 and 5,251,078.80 is: 7,876,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381,638.80 : 26,072,328.60 = 5,251,078.80 : x
  2. Step 2: Convert to fraction form
    17,381,638.80/26,072,328.60 = 5,251,078.80/x
  3. Step 3: Cross multiply
    17,381,638.80x = 26,072,328.60 × 5,251,078.80
  4. Step 4: Simplify right side
    17,381,638.80x = 136,907,851,978,093.69
  5. Step 5: Solve for x
    x = 136,907,851,978,093.69/17,381,638.80
  6. Step 6: Final answer
    x = 7,876,579.05

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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.