Home / 13,864,557.36-20,798,728.44-5,775,640.89

Finding the Fourth Proportional to 13,864,557.36, 20,798,728.44 and 5,775,640.89

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Solution

The fourth proportional to 13,864,557.36, 20,798,728.44 and 5,775,640.89 is: 8,664,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,557.36 : 20,798,728.44 = 5,775,640.89 : x
  2. Step 2: Convert to fraction form
    13,864,557.36/20,798,728.44 = 5,775,640.89/x
  3. Step 3: Cross multiply
    13,864,557.36x = 20,798,728.44 × 5,775,640.89
  4. Step 4: Simplify right side
    13,864,557.36x = 120,125,986,438,069.91
  5. Step 5: Solve for x
    x = 120,125,986,438,069.91/13,864,557.36
  6. Step 6: Final answer
    x = 8,664,249.66

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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.