Home / 7,750,110.86-11,627,781.57-3,431,571.51

Finding the Fourth Proportional to 7,750,110.86, 11,627,781.57 and 3,431,571.51

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Solution

The fourth proportional to 7,750,110.86, 11,627,781.57 and 3,431,571.51 is: 5,148,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750,110.86 : 11,627,781.57 = 3,431,571.51 : x
  2. Step 2: Convert to fraction form
    7,750,110.86/11,627,781.57 = 3,431,571.51/x
  3. Step 3: Cross multiply
    7,750,110.86x = 11,627,781.57 × 3,431,571.51
  4. Step 4: Simplify right side
    7,750,110.86x = 39,901,563,910,434.63
  5. Step 5: Solve for x
    x = 39,901,563,910,434.63/7,750,110.86
  6. Step 6: Final answer
    x = 5,148,515.25

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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.