Home / 11,776,721.10-17,665,081.65-7,950,345.90

Finding the Fourth Proportional to 11,776,721.10, 17,665,081.65 and 7,950,345.90

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Solution

The fourth proportional to 11,776,721.10, 17,665,081.65 and 7,950,345.90 is: 11,925,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776,721.10 : 17,665,081.65 = 7,950,345.90 : x
  2. Step 2: Convert to fraction form
    11,776,721.10/17,665,081.65 = 7,950,345.90/x
  3. Step 3: Cross multiply
    11,776,721.10x = 17,665,081.65 × 7,950,345.90
  4. Step 4: Simplify right side
    11,776,721.10x = 140,443,509,469,242.73
  5. Step 5: Solve for x
    x = 140,443,509,469,242.73/11,776,721.10
  6. Step 6: Final answer
    x = 11,925,518.85

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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.