Home / 12,885,107.76-19,285,604.82-9,472,490.28

Finding the Fourth Proportional to 12,885,107.76, 19,285,604.82 and 9,472,490.28

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Solution

The fourth proportional to 12,885,107.76, 19,285,604.82 and 9,472,490.28 is: 14,177,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,107.76 : 19,285,604.82 = 9,472,490.28 : x
  2. Step 2: Convert to fraction form
    12,885,107.76/19,285,604.82 = 9,472,490.28/x
  3. Step 3: Cross multiply
    12,885,107.76x = 19,285,604.82 × 9,472,490.28
  4. Step 4: Simplify right side
    12,885,107.76x = 182,682,704,201,371.12
  5. Step 5: Solve for x
    x = 182,682,704,201,371.12/12,885,107.76
  6. Step 6: Final answer
    x = 14,177,817.34

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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.