Home / 7,380,493.70-11,070,346.71-1,989,057.62

Finding the Fourth Proportional to 7,380,493.70, 11,070,346.71 and 1,989,057.62

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Solution

The fourth proportional to 7,380,493.70, 11,070,346.71 and 1,989,057.62 is: 2,983,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,493.70 : 11,070,346.71 = 1,989,057.62 : x
  2. Step 2: Convert to fraction form
    7,380,493.70/11,070,346.71 = 1,989,057.62/x
  3. Step 3: Cross multiply
    7,380,493.70x = 11,070,346.71 × 1,989,057.62
  4. Step 4: Simplify right side
    7,380,493.70x = 22,019,557,479,567.43
  5. Step 5: Solve for x
    x = 22,019,557,479,567.43/7,380,493.70
  6. Step 6: Final answer
    x = 2,983,480.29

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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.