Home / 12,647,993.16-18,969,150.26-5,818,006.74

Finding the Fourth Proportional to 12,647,993.16, 18,969,150.26 and 5,818,006.74

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Solution

The fourth proportional to 12,647,993.16, 18,969,150.26 and 5,818,006.74 is: 8,725,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,993.16 : 18,969,150.26 = 5,818,006.74 : x
  2. Step 2: Convert to fraction form
    12,647,993.16/18,969,150.26 = 5,818,006.74/x
  3. Step 3: Cross multiply
    12,647,993.16x = 18,969,150.26 × 5,818,006.74
  4. Step 4: Simplify right side
    12,647,993.16x = 110,362,644,064,752.77
  5. Step 5: Solve for x
    x = 110,362,644,064,752.77/12,647,993.16
  6. Step 6: Final answer
    x = 8,725,703.96

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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.