Home / 28,877,456.91-43,287,021.73-18,102,310.21

Finding the Fourth Proportional to 28,877,456.91, 43,287,021.73 and 18,102,310.21

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Solution

The fourth proportional to 28,877,456.91, 43,287,021.73 and 18,102,310.21 is: 27,135,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,456.91 : 43,287,021.73 = 18,102,310.21 : x
  2. Step 2: Convert to fraction form
    28,877,456.91/43,287,021.73 = 18,102,310.21/x
  3. Step 3: Cross multiply
    28,877,456.91x = 43,287,021.73 × 18,102,310.21
  4. Step 4: Simplify right side
    28,877,456.91x = 783,595,095,398,382
  5. Step 5: Solve for x
    x = 783,595,095,398,382/28,877,456.91
  6. Step 6: Final answer
    x = 27,135,183.60

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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.