Home / 7,298,990.06-10,072,199.22-4,035,608.78

Finding the Fourth Proportional to 7,298,990.06, 10,072,199.22 and 4,035,608.78

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Solution

The fourth proportional to 7,298,990.06, 10,072,199.22 and 4,035,608.78 is: 5,568,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298,990.06 : 10,072,199.22 = 4,035,608.78 : x
  2. Step 2: Convert to fraction form
    7,298,990.06/10,072,199.22 = 4,035,608.78/x
  3. Step 3: Cross multiply
    7,298,990.06x = 10,072,199.22 × 4,035,608.78
  4. Step 4: Simplify right side
    7,298,990.06x = 40,647,455,606,141.15
  5. Step 5: Solve for x
    x = 40,647,455,606,141.15/7,298,990.06
  6. Step 6: Final answer
    x = 5,568,915.05

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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.