Home / 51,519,917.25-77,279,482.21-13,181,369.85

Finding the Fourth Proportional to 51,519,917.25, 77,279,482.21 and 13,181,369.85

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Solution

The fourth proportional to 51,519,917.25, 77,279,482.21 and 13,181,369.85 is: 19,771,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,917.25 : 77,279,482.21 = 13,181,369.85 : x
  2. Step 2: Convert to fraction form
    51,519,917.25/77,279,482.21 = 13,181,369.85/x
  3. Step 3: Cross multiply
    51,519,917.25x = 77,279,482.21 × 13,181,369.85
  4. Step 4: Simplify right side
    51,519,917.25x = 1,018,649,436,826,505.25
  5. Step 5: Solve for x
    x = 1,018,649,436,826,505.25/51,519,917.25
  6. Step 6: Final answer
    x = 19,771,954.06

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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.