Home / 19,670,974.50-27,145,944.81-11,522,212.50

Finding the Fourth Proportional to 19,670,974.50, 27,145,944.81 and 11,522,212.50

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Solution

The fourth proportional to 19,670,974.50, 27,145,944.81 and 11,522,212.50 is: 15,900,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670,974.50 : 27,145,944.81 = 11,522,212.50 : x
  2. Step 2: Convert to fraction form
    19,670,974.50/27,145,944.81 = 11,522,212.50/x
  3. Step 3: Cross multiply
    19,670,974.50x = 27,145,944.81 × 11,522,212.50
  4. Step 4: Simplify right side
    19,670,974.50x = 312,781,344,614,092.12
  5. Step 5: Solve for x
    x = 312,781,344,614,092.12/19,670,974.50
  6. Step 6: Final answer
    x = 15,900,653.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.