Home / 12,282,838.44-18,387,865.96-9,102,240.60

Finding the Fourth Proportional to 12,282,838.44, 18,387,865.96 and 9,102,240.60

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Solution

The fourth proportional to 12,282,838.44, 18,387,865.96 and 9,102,240.60 is: 13,626,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,838.44 : 18,387,865.96 = 9,102,240.60 : x
  2. Step 2: Convert to fraction form
    12,282,838.44/18,387,865.96 = 9,102,240.60/x
  3. Step 3: Cross multiply
    12,282,838.44x = 18,387,865.96 × 9,102,240.60
  4. Step 4: Simplify right side
    12,282,838.44x = 167,370,780,088,469.97
  5. Step 5: Solve for x
    x = 167,370,780,088,469.97/12,282,838.44
  6. Step 6: Final answer
    x = 13,626,392.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.