Home / 51,519,862.80-77,279,249.52-13,181,072.40

Finding the Fourth Proportional to 51,519,862.80, 77,279,249.52 and 13,181,072.40

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Solution

The fourth proportional to 51,519,862.80, 77,279,249.52 and 13,181,072.40 is: 19,771,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,862.80 : 77,279,249.52 = 13,181,072.40 : x
  2. Step 2: Convert to fraction form
    51,519,862.80/77,279,249.52 = 13,181,072.40/x
  3. Step 3: Cross multiply
    51,519,862.80x = 77,279,249.52 × 13,181,072.40
  4. Step 4: Simplify right side
    51,519,862.80x = 1,018,623,382,940,785.25
  5. Step 5: Solve for x
    x = 1,018,623,382,940,785.25/51,519,862.80
  6. Step 6: Final answer
    x = 19,771,469.25

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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.