Home / 8,128,909.57-12,193,364.28-2,737,108.47

Finding the Fourth Proportional to 8,128,909.57, 12,193,364.28 and 2,737,108.47

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Solution

The fourth proportional to 8,128,909.57, 12,193,364.28 and 2,737,108.47 is: 4,105,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,909.57 : 12,193,364.28 = 2,737,108.47 : x
  2. Step 2: Convert to fraction form
    8,128,909.57/12,193,364.28 = 2,737,108.47/x
  3. Step 3: Cross multiply
    8,128,909.57x = 12,193,364.28 × 2,737,108.47
  4. Step 4: Simplify right side
    8,128,909.57x = 33,374,560,648,583.45
  5. Step 5: Solve for x
    x = 33,374,560,648,583.45/8,128,909.57
  6. Step 6: Final answer
    x = 4,105,662.68

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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.