Home / 13,929,377.01-19,222,540.26-7,817,805.51

Finding the Fourth Proportional to 13,929,377.01, 19,222,540.26 and 7,817,805.51

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Solution

The fourth proportional to 13,929,377.01, 19,222,540.26 and 7,817,805.51 is: 10,788,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,377.01 : 19,222,540.26 = 7,817,805.51 : x
  2. Step 2: Convert to fraction form
    13,929,377.01/19,222,540.26 = 7,817,805.51/x
  3. Step 3: Cross multiply
    13,929,377.01x = 19,222,540.26 × 7,817,805.51
  4. Step 4: Simplify right side
    13,929,377.01x = 150,278,081,160,824.84
  5. Step 5: Solve for x
    x = 150,278,081,160,824.84/13,929,377.01
  6. Step 6: Final answer
    x = 10,788,571.60

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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.