Home / 20,152,579.25-27,809,169.23-11,333,348.57

Finding the Fourth Proportional to 20,152,579.25, 27,809,169.23 and 11,333,348.57

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Solution

The fourth proportional to 20,152,579.25, 27,809,169.23 and 11,333,348.57 is: 15,639,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,579.25 : 27,809,169.23 = 11,333,348.57 : x
  2. Step 2: Convert to fraction form
    20,152,579.25/27,809,169.23 = 11,333,348.57/x
  3. Step 3: Cross multiply
    20,152,579.25x = 27,809,169.23 × 11,333,348.57
  4. Step 4: Simplify right side
    20,152,579.25x = 315,171,008,269,041.81
  5. Step 5: Solve for x
    x = 315,171,008,269,041.81/20,152,579.25
  6. Step 6: Final answer
    x = 15,639,239.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.