Home / 18,715,086.60-28,072,629.90-5,936,591.40

Finding the Fourth Proportional to 18,715,086.60, 28,072,629.90 and 5,936,591.40

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Solution

The fourth proportional to 18,715,086.60, 28,072,629.90 and 5,936,591.40 is: 8,904,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,086.60 : 28,072,629.90 = 5,936,591.40 : x
  2. Step 2: Convert to fraction form
    18,715,086.60/28,072,629.90 = 5,936,591.40/x
  3. Step 3: Cross multiply
    18,715,086.60x = 28,072,629.90 × 5,936,591.40
  4. Step 4: Simplify right side
    18,715,086.60x = 166,655,733,239,722.88
  5. Step 5: Solve for x
    x = 166,655,733,239,722.88/18,715,086.60
  6. Step 6: Final answer
    x = 8,904,887.10

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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.