Home / 7,253,971.59-10,010,480.78-3,990,716.24

Finding the Fourth Proportional to 7,253,971.59, 10,010,480.78 and 3,990,716.24

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Solution

The fourth proportional to 7,253,971.59, 10,010,480.78 and 3,990,716.24 is: 5,507,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,971.59 : 10,010,480.78 = 3,990,716.24 : x
  2. Step 2: Convert to fraction form
    7,253,971.59/10,010,480.78 = 3,990,716.24/x
  3. Step 3: Cross multiply
    7,253,971.59x = 10,010,480.78 × 3,990,716.24
  4. Step 4: Simplify right side
    7,253,971.59x = 39,948,988,148,947.88
  5. Step 5: Solve for x
    x = 39,948,988,148,947.88/7,253,971.59
  6. Step 6: Final answer
    x = 5,507,188.39

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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.