Home / 12,884,027.05-19,311,868.41-5,306,859.37

Finding the Fourth Proportional to 12,884,027.05, 19,311,868.41 and 5,306,859.37

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Solution

The fourth proportional to 12,884,027.05, 19,311,868.41 and 5,306,859.37 is: 7,954,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,027.05 : 19,311,868.41 = 5,306,859.37 : x
  2. Step 2: Convert to fraction form
    12,884,027.05/19,311,868.41 = 5,306,859.37/x
  3. Step 3: Cross multiply
    12,884,027.05x = 19,311,868.41 × 5,306,859.37
  4. Step 4: Simplify right side
    12,884,027.05x = 102,485,369,823,815.50
  5. Step 5: Solve for x
    x = 102,485,369,823,815.50/12,884,027.05
  6. Step 6: Final answer
    x = 7,954,451.62

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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.