Home / 14,771,975.25-20,381,735.66-8,659,222.77

Finding the Fourth Proportional to 14,771,975.25, 20,381,735.66 and 8,659,222.77

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Solution

The fourth proportional to 14,771,975.25, 20,381,735.66 and 8,659,222.77 is: 11,947,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,975.25 : 20,381,735.66 = 8,659,222.77 : x
  2. Step 2: Convert to fraction form
    14,771,975.25/20,381,735.66 = 8,659,222.77/x
  3. Step 3: Cross multiply
    14,771,975.25x = 20,381,735.66 × 8,659,222.77
  4. Step 4: Simplify right side
    14,771,975.25x = 176,489,989,475,896.88
  5. Step 5: Solve for x
    x = 176,489,989,475,896.88/14,771,975.25
  6. Step 6: Final answer
    x = 11,947,622.88

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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.