Home / 7,254,021.75-10,010,549.84-3,990,766.29

Finding the Fourth Proportional to 7,254,021.75, 10,010,549.84 and 3,990,766.29

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Solution

The fourth proportional to 7,254,021.75, 10,010,549.84 and 3,990,766.29 is: 5,507,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,021.75 : 10,010,549.84 = 3,990,766.29 : x
  2. Step 2: Convert to fraction form
    7,254,021.75/10,010,549.84 = 3,990,766.29/x
  3. Step 3: Cross multiply
    7,254,021.75x = 10,010,549.84 × 3,990,766.29
  4. Step 4: Simplify right side
    7,254,021.75x = 39,949,764,825,883.06
  5. Step 5: Solve for x
    x = 39,949,764,825,883.06/7,254,021.75
  6. Step 6: Final answer
    x = 5,507,257.38

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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.