Home / 21,100,568.46-31,650,506.55-6,723,441.60

Finding the Fourth Proportional to 21,100,568.46, 31,650,506.55 and 6,723,441.60

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Solution

The fourth proportional to 21,100,568.46, 31,650,506.55 and 6,723,441.60 is: 10,085,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,568.46 : 31,650,506.55 = 6,723,441.60 : x
  2. Step 2: Convert to fraction form
    21,100,568.46/31,650,506.55 = 6,723,441.60/x
  3. Step 3: Cross multiply
    21,100,568.46x = 31,650,506.55 × 6,723,441.60
  4. Step 4: Simplify right side
    21,100,568.46x = 212,800,332,399,342.47
  5. Step 5: Solve for x
    x = 212,800,332,399,342.47/21,100,568.46
  6. Step 6: Final answer
    x = 10,085,052.11

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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.