Home / 12,726,522-19,092,771.87-4,206,858.18

Finding the Fourth Proportional to 12,726,522, 19,092,771.87 and 4,206,858.18

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Solution

The fourth proportional to 12,726,522, 19,092,771.87 and 4,206,858.18 is: 6,311,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,522 : 19,092,771.87 = 4,206,858.18 : x
  2. Step 2: Convert to fraction form
    12,726,522/19,092,771.87 = 4,206,858.18/x
  3. Step 3: Cross multiply
    12,726,522x = 19,092,771.87 × 4,206,858.18
  4. Step 4: Simplify right side
    12,726,522x = 80,320,583,520,183.39
  5. Step 5: Solve for x
    x = 80,320,583,520,183.39/12,726,522
  6. Step 6: Final answer
    x = 6,311,275.27

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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.