Home / 13,040,282.10-19,579,085.55-7,371,578.10

Finding the Fourth Proportional to 13,040,282.10, 19,579,085.55 and 7,371,578.10

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Solution

The fourth proportional to 13,040,282.10, 19,579,085.55 and 7,371,578.10 is: 11,067,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,282.10 : 19,579,085.55 = 7,371,578.10 : x
  2. Step 2: Convert to fraction form
    13,040,282.10/19,579,085.55 = 7,371,578.10/x
  3. Step 3: Cross multiply
    13,040,282.10x = 19,579,085.55 × 7,371,578.10
  4. Step 4: Simplify right side
    13,040,282.10x = 144,328,758,258,406.47
  5. Step 5: Solve for x
    x = 144,328,758,258,406.47/13,040,282.10
  6. Step 6: Final answer
    x = 11,067,916.87

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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.