Home / 18,378,049.60-27,567,074.40-4,914,877.60

Finding the Fourth Proportional to 18,378,049.60, 27,567,074.40 and 4,914,877.60

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Solution

The fourth proportional to 18,378,049.60, 27,567,074.40 and 4,914,877.60 is: 7,372,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,049.60 : 27,567,074.40 = 4,914,877.60 : x
  2. Step 2: Convert to fraction form
    18,378,049.60/27,567,074.40 = 4,914,877.60/x
  3. Step 3: Cross multiply
    18,378,049.60x = 27,567,074.40 × 4,914,877.60
  4. Step 4: Simplify right side
    18,378,049.60x = 135,488,796,466,093.42
  5. Step 5: Solve for x
    x = 135,488,796,466,093.42/18,378,049.60
  6. Step 6: Final answer
    x = 7,372,316.40

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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.