Home / 51,253,427.50-76,883,550.32-18,012,621.21

Finding the Fourth Proportional to 51,253,427.50, 76,883,550.32 and 18,012,621.21

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Solution

The fourth proportional to 51,253,427.50, 76,883,550.32 and 18,012,621.21 is: 27,020,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253,427.50 : 76,883,550.32 = 18,012,621.21 : x
  2. Step 2: Convert to fraction form
    51,253,427.50/76,883,550.32 = 18,012,621.21/x
  3. Step 3: Cross multiply
    51,253,427.50x = 76,883,550.32 × 18,012,621.21
  4. Step 4: Simplify right side
    51,253,427.50x = 1,384,874,269,194,134.25
  5. Step 5: Solve for x
    x = 1,384,874,269,194,134.25/51,253,427.50
  6. Step 6: Final answer
    x = 27,020,129.91

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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.