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Finding the Fourth Proportional to 22,265,927.68, 33,388,364.64 and 8,625,462.88

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Solution

The fourth proportional to 22,265,927.68, 33,388,364.64 and 8,625,462.88 is: 12,934,116.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265,927.68 : 33,388,364.64 = 8,625,462.88 : x
  2. Step 2: Convert to fraction form
    22,265,927.68/33,388,364.64 = 8,625,462.88/x
  3. Step 3: Cross multiply
    22,265,927.68x = 33,388,364.64 × 8,625,462.88
  4. Step 4: Simplify right side
    22,265,927.68x = 287,990,099,826,224.62
  5. Step 5: Solve for x
    x = 287,990,099,826,224.62/22,265,927.68
  6. Step 6: Final answer
    x = 12,934,116.38

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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.