Home / 6,772,940.78-9,346,664.61-3,872,392.39

Finding the Fourth Proportional to 6,772,940.78, 9,346,664.61 and 3,872,392.39

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Solution

The fourth proportional to 6,772,940.78, 9,346,664.61 and 3,872,392.39 is: 5,343,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772,940.78 : 9,346,664.61 = 3,872,392.39 : x
  2. Step 2: Convert to fraction form
    6,772,940.78/9,346,664.61 = 3,872,392.39/x
  3. Step 3: Cross multiply
    6,772,940.78x = 9,346,664.61 × 3,872,392.39
  4. Step 4: Simplify right side
    6,772,940.78x = 36,193,952,907,646.32
  5. Step 5: Solve for x
    x = 36,193,952,907,646.32/6,772,940.78
  6. Step 6: Final answer
    x = 5,343,905.12

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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.