Home / 7,836,129.26-11,748,827.82-3,990,507.65

Finding the Fourth Proportional to 7,836,129.26, 11,748,827.82 and 3,990,507.65

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Solution

The fourth proportional to 7,836,129.26, 11,748,827.82 and 3,990,507.65 is: 5,983,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,129.26 : 11,748,827.82 = 3,990,507.65 : x
  2. Step 2: Convert to fraction form
    7,836,129.26/11,748,827.82 = 3,990,507.65/x
  3. Step 3: Cross multiply
    7,836,129.26x = 11,748,827.82 × 3,990,507.65
  4. Step 4: Simplify right side
    7,836,129.26x = 46,883,787,294,242.82
  5. Step 5: Solve for x
    x = 46,883,787,294,242.82/7,836,129.26
  6. Step 6: Final answer
    x = 5,983,028.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.