Home / 18,356,660.88-27,531,054.72-7,571,164.32

Finding the Fourth Proportional to 18,356,660.88, 27,531,054.72 and 7,571,164.32

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Solution

The fourth proportional to 18,356,660.88, 27,531,054.72 and 7,571,164.32 is: 11,355,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356,660.88 : 27,531,054.72 = 7,571,164.32 : x
  2. Step 2: Convert to fraction form
    18,356,660.88/27,531,054.72 = 7,571,164.32/x
  3. Step 3: Cross multiply
    18,356,660.88x = 27,531,054.72 × 7,571,164.32
  4. Step 4: Simplify right side
    18,356,660.88x = 208,442,139,188,031.59
  5. Step 5: Solve for x
    x = 208,442,139,188,031.59/18,356,660.88
  6. Step 6: Final answer
    x = 11,355,122.84

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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.