Home / 28,876,672.70-43,285,845.20-18,101,526.20

Finding the Fourth Proportional to 28,876,672.70, 43,285,845.20 and 18,101,526.20

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Solution

The fourth proportional to 28,876,672.70, 43,285,845.20 and 18,101,526.20 is: 27,134,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,672.70 : 43,285,845.20 = 18,101,526.20 : x
  2. Step 2: Convert to fraction form
    28,876,672.70/43,285,845.20 = 18,101,526.20/x
  3. Step 3: Cross multiply
    28,876,672.70x = 43,285,845.20 × 18,101,526.20
  4. Step 4: Simplify right side
    28,876,672.70x = 783,539,860,670,007.38
  5. Step 5: Solve for x
    x = 783,539,860,670,007.38/28,876,672.70
  6. Step 6: Final answer
    x = 27,134,007.75

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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.