Home / 7,168,255.80-9,892,193.10-3,948,991.80

Finding the Fourth Proportional to 7,168,255.80, 9,892,193.10 and 3,948,991.80

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Solution

The fourth proportional to 7,168,255.80, 9,892,193.10 and 3,948,991.80 is: 5,449,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,255.80 : 9,892,193.10 = 3,948,991.80 : x
  2. Step 2: Convert to fraction form
    7,168,255.80/9,892,193.10 = 3,948,991.80/x
  3. Step 3: Cross multiply
    7,168,255.80x = 9,892,193.10 × 3,948,991.80
  4. Step 4: Simplify right side
    7,168,255.80x = 39,064,189,435,916.58
  5. Step 5: Solve for x
    x = 39,064,189,435,916.58/7,168,255.80
  6. Step 6: Final answer
    x = 5,449,608.74

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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.