Home / 18,964,674.43-28,435,491.96-7,436,330.53

Finding the Fourth Proportional to 18,964,674.43, 28,435,491.96 and 7,436,330.53

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Solution

The fourth proportional to 18,964,674.43, 28,435,491.96 and 7,436,330.53 is: 11,149,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,674.43 : 28,435,491.96 = 7,436,330.53 : x
  2. Step 2: Convert to fraction form
    18,964,674.43/28,435,491.96 = 7,436,330.53/x
  3. Step 3: Cross multiply
    18,964,674.43x = 28,435,491.96 × 7,436,330.53
  4. Step 4: Simplify right side
    18,964,674.43x = 211,455,716,997,717.56
  5. Step 5: Solve for x
    x = 211,455,716,997,717.56/18,964,674.43
  6. Step 6: Final answer
    x = 11,149,978.76

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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.