Home / 51,519,916.25-77,279,480.71-13,181,368.85

Finding the Fourth Proportional to 51,519,916.25, 77,279,480.71 and 13,181,368.85

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Solution

The fourth proportional to 51,519,916.25, 77,279,480.71 and 13,181,368.85 is: 19,771,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,916.25 : 77,279,480.71 = 13,181,368.85 : x
  2. Step 2: Convert to fraction form
    51,519,916.25/77,279,480.71 = 13,181,368.85/x
  3. Step 3: Cross multiply
    51,519,916.25x = 77,279,480.71 × 13,181,368.85
  4. Step 4: Simplify right side
    51,519,916.25x = 1,018,649,339,719,575.62
  5. Step 5: Solve for x
    x = 1,018,649,339,719,575.62/51,519,916.25
  6. Step 6: Final answer
    x = 19,771,952.56

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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.