Home / 18,504,055.13-25,532,053.13-11,976,778.67

Finding the Fourth Proportional to 18,504,055.13, 25,532,053.13 and 11,976,778.67

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Solution

The fourth proportional to 18,504,055.13, 25,532,053.13 and 11,976,778.67 is: 16,525,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504,055.13 : 25,532,053.13 = 11,976,778.67 : x
  2. Step 2: Convert to fraction form
    18,504,055.13/25,532,053.13 = 11,976,778.67/x
  3. Step 3: Cross multiply
    18,504,055.13x = 25,532,053.13 × 11,976,778.67
  4. Step 4: Simplify right side
    18,504,055.13x = 305,791,749,230,972.38
  5. Step 5: Solve for x
    x = 305,791,749,230,972.38/18,504,055.13
  6. Step 6: Final answer
    x = 16,525,661.38

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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.