Home / 12,463,826.70-18,728,619.09-6,710,813.85

Finding the Fourth Proportional to 12,463,826.70, 18,728,619.09 and 6,710,813.85

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Solution

The fourth proportional to 12,463,826.70, 18,728,619.09 and 6,710,813.85 is: 10,083,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,826.70 : 18,728,619.09 = 6,710,813.85 : x
  2. Step 2: Convert to fraction form
    12,463,826.70/18,728,619.09 = 6,710,813.85/x
  3. Step 3: Cross multiply
    12,463,826.70x = 18,728,619.09 × 6,710,813.85
  4. Step 4: Simplify right side
    12,463,826.70x = 125,684,276,482,232.30
  5. Step 5: Solve for x
    x = 125,684,276,482,232.30/12,463,826.70
  6. Step 6: Final answer
    x = 10,083,923.62

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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.