Home / 12,068,346.78-16,654,201.44-6,561,721.56

Finding the Fourth Proportional to 12,068,346.78, 16,654,201.44 and 6,561,721.56

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Solution

The fourth proportional to 12,068,346.78, 16,654,201.44 and 6,561,721.56 is: 9,055,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,346.78 : 16,654,201.44 = 6,561,721.56 : x
  2. Step 2: Convert to fraction form
    12,068,346.78/16,654,201.44 = 6,561,721.56/x
  3. Step 3: Cross multiply
    12,068,346.78x = 16,654,201.44 × 6,561,721.56
  4. Step 4: Simplify right side
    12,068,346.78x = 109,280,232,653,431.03
  5. Step 5: Solve for x
    x = 109,280,232,653,431.03/12,068,346.78
  6. Step 6: Final answer
    x = 9,055,112.08

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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.