Home / 18,188,615.82-25,100,238.51-10,039,795.50

Finding the Fourth Proportional to 18,188,615.82, 25,100,238.51 and 10,039,795.50

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Solution

The fourth proportional to 18,188,615.82, 25,100,238.51 and 10,039,795.50 is: 13,854,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188,615.82 : 25,100,238.51 = 10,039,795.50 : x
  2. Step 2: Convert to fraction form
    18,188,615.82/25,100,238.51 = 10,039,795.50/x
  3. Step 3: Cross multiply
    18,188,615.82x = 25,100,238.51 × 10,039,795.50
  4. Step 4: Simplify right side
    18,188,615.82x = 252,001,261,641,624.72
  5. Step 5: Solve for x
    x = 252,001,261,641,624.72/18,188,615.82
  6. Step 6: Final answer
    x = 13,854,889.46

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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.