Home / 7,254,087.75-10,010,641.05-3,990,832.65

Finding the Fourth Proportional to 7,254,087.75, 10,010,641.05 and 3,990,832.65

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Solution

The fourth proportional to 7,254,087.75, 10,010,641.05 and 3,990,832.65 is: 5,507,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,087.75 : 10,010,641.05 = 3,990,832.65 : x
  2. Step 2: Convert to fraction form
    7,254,087.75/10,010,641.05 = 3,990,832.65/x
  3. Step 3: Cross multiply
    7,254,087.75x = 10,010,641.05 × 3,990,832.65
  4. Step 4: Simplify right side
    7,254,087.75x = 39,950,793,149,770.28
  5. Step 5: Solve for x
    x = 39,950,793,149,770.28/7,254,087.75
  6. Step 6: Final answer
    x = 5,507,349.03

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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.