Home / 20,741,906.59-28,623,836.86-11,449,482.67

Finding the Fourth Proportional to 20,741,906.59, 28,623,836.86 and 11,449,482.67

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Solution

The fourth proportional to 20,741,906.59, 28,623,836.86 and 11,449,482.67 is: 15,800,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,906.59 : 28,623,836.86 = 11,449,482.67 : x
  2. Step 2: Convert to fraction form
    20,741,906.59/28,623,836.86 = 11,449,482.67/x
  3. Step 3: Cross multiply
    20,741,906.59x = 28,623,836.86 × 11,449,482.67
  4. Step 4: Simplify right side
    20,741,906.59x = 327,728,124,077,477.19
  5. Step 5: Solve for x
    x = 327,728,124,077,477.19/20,741,906.59
  6. Step 6: Final answer
    x = 15,800,289.27

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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.