Home / 14,318,067.64-19,758,936.56-7,879,539.64

Finding the Fourth Proportional to 14,318,067.64, 19,758,936.56 and 7,879,539.64

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Solution

The fourth proportional to 14,318,067.64, 19,758,936.56 and 7,879,539.64 is: 10,873,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318,067.64 : 19,758,936.56 = 7,879,539.64 : x
  2. Step 2: Convert to fraction form
    14,318,067.64/19,758,936.56 = 7,879,539.64/x
  3. Step 3: Cross multiply
    14,318,067.64x = 19,758,936.56 × 7,879,539.64
  4. Step 4: Simplify right side
    14,318,067.64x = 155,691,323,868,765.22
  5. Step 5: Solve for x
    x = 155,691,323,868,765.22/14,318,067.64
  6. Step 6: Final answer
    x = 10,873,766.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.