Home / 12,198,035.63-16,833,513.76-6,691,691.68

Finding the Fourth Proportional to 12,198,035.63, 16,833,513.76 and 6,691,691.68

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Solution

The fourth proportional to 12,198,035.63, 16,833,513.76 and 6,691,691.68 is: 9,234,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198,035.63 : 16,833,513.76 = 6,691,691.68 : x
  2. Step 2: Convert to fraction form
    12,198,035.63/16,833,513.76 = 6,691,691.68/x
  3. Step 3: Cross multiply
    12,198,035.63x = 16,833,513.76 × 6,691,691.68
  4. Step 4: Simplify right side
    12,198,035.63x = 112,644,683,914,144.52
  5. Step 5: Solve for x
    x = 112,644,683,914,144.52/12,198,035.63
  6. Step 6: Final answer
    x = 9,234,657.72

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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.