Home / 8,561,507.32-11,815,362.78-5,078,908

Finding the Fourth Proportional to 8,561,507.32, 11,815,362.78 and 5,078,908

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Solution

The fourth proportional to 8,561,507.32, 11,815,362.78 and 5,078,908 is: 7,009,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,507.32 : 11,815,362.78 = 5,078,908 : x
  2. Step 2: Convert to fraction form
    8,561,507.32/11,815,362.78 = 5,078,908/x
  3. Step 3: Cross multiply
    8,561,507.32x = 11,815,362.78 × 5,078,908
  4. Step 4: Simplify right side
    8,561,507.32x = 60,009,140,546,244.23
  5. Step 5: Solve for x
    x = 60,009,140,546,244.23/8,561,507.32
  6. Step 6: Final answer
    x = 7,009,179.38

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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.