Home / 6,722,743.35-10,081,140.71-1,929,320.49

Finding the Fourth Proportional to 6,722,743.35, 10,081,140.71 and 1,929,320.49

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Solution

The fourth proportional to 6,722,743.35, 10,081,140.71 and 1,929,320.49 is: 2,893,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722,743.35 : 10,081,140.71 = 1,929,320.49 : x
  2. Step 2: Convert to fraction form
    6,722,743.35/10,081,140.71 = 1,929,320.49/x
  3. Step 3: Cross multiply
    6,722,743.35x = 10,081,140.71 × 1,929,320.49
  4. Step 4: Simplify right side
    6,722,743.35x = 19,449,751,324,729.55
  5. Step 5: Solve for x
    x = 19,449,751,324,729.55/6,722,743.35
  6. Step 6: Final answer
    x = 2,893,127.15

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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.