Home / 15,940,745.19-21,992,723.12-9,663,285.22

Finding the Fourth Proportional to 15,940,745.19, 21,992,723.12 and 9,663,285.22

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Solution

The fourth proportional to 15,940,745.19, 21,992,723.12 and 9,663,285.22 is: 13,331,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940,745.19 : 21,992,723.12 = 9,663,285.22 : x
  2. Step 2: Convert to fraction form
    15,940,745.19/21,992,723.12 = 9,663,285.22/x
  3. Step 3: Cross multiply
    15,940,745.19x = 21,992,723.12 × 9,663,285.22
  4. Step 4: Simplify right side
    15,940,745.19x = 212,521,956,273,048.31
  5. Step 5: Solve for x
    x = 212,521,956,273,048.31/15,940,745.19
  6. Step 6: Final answer
    x = 13,331,996.32

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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.