Home / 7,621,214.54-10,517,144.04-4,136,478.54

Finding the Fourth Proportional to 7,621,214.54, 10,517,144.04 and 4,136,478.54

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Solution

The fourth proportional to 7,621,214.54, 10,517,144.04 and 4,136,478.54 is: 5,708,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,214.54 : 10,517,144.04 = 4,136,478.54 : x
  2. Step 2: Convert to fraction form
    7,621,214.54/10,517,144.04 = 4,136,478.54/x
  3. Step 3: Cross multiply
    7,621,214.54x = 10,517,144.04 × 4,136,478.54
  4. Step 4: Simplify right side
    7,621,214.54x = 43,503,940,623,548.90
  5. Step 5: Solve for x
    x = 43,503,940,623,548.90/7,621,214.54
  6. Step 6: Final answer
    x = 5,708,268.73

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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.