Home / 12,824,462.70-19,236,694.05-3,239,868.78

Finding the Fourth Proportional to 12,824,462.70, 19,236,694.05 and 3,239,868.78

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Solution

The fourth proportional to 12,824,462.70, 19,236,694.05 and 3,239,868.78 is: 4,859,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824,462.70 : 19,236,694.05 = 3,239,868.78 : x
  2. Step 2: Convert to fraction form
    12,824,462.70/19,236,694.05 = 3,239,868.78/x
  3. Step 3: Cross multiply
    12,824,462.70x = 19,236,694.05 × 3,239,868.78
  4. Step 4: Simplify right side
    12,824,462.70x = 62,324,364,483,006.76
  5. Step 5: Solve for x
    x = 62,324,364,483,006.76/12,824,462.70
  6. Step 6: Final answer
    x = 4,859,803.17

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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.