Home / 12,810,640.44-19,218,701.94-4,723,639.32

Finding the Fourth Proportional to 12,810,640.44, 19,218,701.94 and 4,723,639.32

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Solution

The fourth proportional to 12,810,640.44, 19,218,701.94 and 4,723,639.32 is: 7,086,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810,640.44 : 19,218,701.94 = 4,723,639.32 : x
  2. Step 2: Convert to fraction form
    12,810,640.44/19,218,701.94 = 4,723,639.32/x
  3. Step 3: Cross multiply
    12,810,640.44x = 19,218,701.94 × 4,723,639.32
  4. Step 4: Simplify right side
    12,810,640.44x = 90,782,216,163,144.30
  5. Step 5: Solve for x
    x = 90,782,216,163,144.30/12,810,640.44
  6. Step 6: Final answer
    x = 7,086,469.77

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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.