Home / 19,989,960.33-29,986,770.39-5,612,931.15

Finding the Fourth Proportional to 19,989,960.33, 29,986,770.39 and 5,612,931.15

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Solution

The fourth proportional to 19,989,960.33, 29,986,770.39 and 5,612,931.15 is: 8,419,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,960.33 : 29,986,770.39 = 5,612,931.15 : x
  2. Step 2: Convert to fraction form
    19,989,960.33/29,986,770.39 = 5,612,931.15/x
  3. Step 3: Cross multiply
    19,989,960.33x = 29,986,770.39 × 5,612,931.15
  4. Step 4: Simplify right side
    19,989,960.33x = 168,313,677,609,928.66
  5. Step 5: Solve for x
    x = 168,313,677,609,928.66/19,989,960.33
  6. Step 6: Final answer
    x = 8,419,910.54

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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.