Home / 13,040,282.60-19,579,086.30-7,371,578.60

Finding the Fourth Proportional to 13,040,282.60, 19,579,086.30 and 7,371,578.60

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Solution

The fourth proportional to 13,040,282.60, 19,579,086.30 and 7,371,578.60 is: 11,067,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,282.60 : 19,579,086.30 = 7,371,578.60 : x
  2. Step 2: Convert to fraction form
    13,040,282.60/19,579,086.30 = 7,371,578.60/x
  3. Step 3: Cross multiply
    13,040,282.60x = 19,579,086.30 × 7,371,578.60
  4. Step 4: Simplify right side
    13,040,282.60x = 144,328,773,576,633.19
  5. Step 5: Solve for x
    x = 144,328,773,576,633.19/13,040,282.60
  6. Step 6: Final answer
    x = 11,067,917.62

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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.