Home / 23,161,129.92-31,962,503.52-12,848,506.56

Finding the Fourth Proportional to 23,161,129.92, 31,962,503.52 and 12,848,506.56

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Solution

The fourth proportional to 23,161,129.92, 31,962,503.52 and 12,848,506.56 is: 17,731,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161,129.92 : 31,962,503.52 = 12,848,506.56 : x
  2. Step 2: Convert to fraction form
    23,161,129.92/31,962,503.52 = 12,848,506.56/x
  3. Step 3: Cross multiply
    23,161,129.92x = 31,962,503.52 × 12,848,506.56
  4. Step 4: Simplify right side
    23,161,129.92x = 410,670,436,150,743.12
  5. Step 5: Solve for x
    x = 410,670,436,150,743.12/23,161,129.92
  6. Step 6: Final answer
    x = 17,731,019.06

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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.