Home / 28,728,608.20-43,092,912.30-17,958,070.60

Finding the Fourth Proportional to 28,728,608.20, 43,092,912.30 and 17,958,070.60

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Solution

The fourth proportional to 28,728,608.20, 43,092,912.30 and 17,958,070.60 is: 26,937,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,608.20 : 43,092,912.30 = 17,958,070.60 : x
  2. Step 2: Convert to fraction form
    28,728,608.20/43,092,912.30 = 17,958,070.60/x
  3. Step 3: Cross multiply
    28,728,608.20x = 43,092,912.30 × 17,958,070.60
  4. Step 4: Simplify right side
    28,728,608.20x = 773,865,561,443,008.38
  5. Step 5: Solve for x
    x = 773,865,561,443,008.38/28,728,608.20
  6. Step 6: Final answer
    x = 26,937,105.90

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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.