Home / 18,756,899.35-28,134,824.17-5,978,170.87

Finding the Fourth Proportional to 18,756,899.35, 28,134,824.17 and 5,978,170.87

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Solution

The fourth proportional to 18,756,899.35, 28,134,824.17 and 5,978,170.87 is: 8,967,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,899.35 : 28,134,824.17 = 5,978,170.87 : x
  2. Step 2: Convert to fraction form
    18,756,899.35/28,134,824.17 = 5,978,170.87/x
  3. Step 3: Cross multiply
    18,756,899.35x = 28,134,824.17 × 5,978,170.87
  4. Step 4: Simplify right side
    18,756,899.35x = 168,194,786,285,665.94
  5. Step 5: Solve for x
    x = 168,194,786,285,665.94/18,756,899.35
  6. Step 6: Final answer
    x = 8,967,089.02

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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.