Home / 12,806,617.94-19,211,272.43-4,171,391.37

Finding the Fourth Proportional to 12,806,617.94, 19,211,272.43 and 4,171,391.37

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Solution

The fourth proportional to 12,806,617.94, 19,211,272.43 and 4,171,391.37 is: 6,257,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,617.94 : 19,211,272.43 = 4,171,391.37 : x
  2. Step 2: Convert to fraction form
    12,806,617.94/19,211,272.43 = 4,171,391.37/x
  3. Step 3: Cross multiply
    12,806,617.94x = 19,211,272.43 × 4,171,391.37
  4. Step 4: Simplify right side
    12,806,617.94x = 80,137,736,000,363.98
  5. Step 5: Solve for x
    x = 80,137,736,000,363.98/12,806,617.94
  6. Step 6: Final answer
    x = 6,257,525.32

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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.