Home / 12,644,093.28-18,946,981.68-8,368,945.68

Finding the Fourth Proportional to 12,644,093.28, 18,946,981.68 and 8,368,945.68

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Solution

The fourth proportional to 12,644,093.28, 18,946,981.68 and 8,368,945.68 is: 12,540,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644,093.28 : 18,946,981.68 = 8,368,945.68 : x
  2. Step 2: Convert to fraction form
    12,644,093.28/18,946,981.68 = 8,368,945.68/x
  3. Step 3: Cross multiply
    12,644,093.28x = 18,946,981.68 × 8,368,945.68
  4. Step 4: Simplify right side
    12,644,093.28x = 158,566,260,479,875.12
  5. Step 5: Solve for x
    x = 158,566,260,479,875.12/12,644,093.28
  6. Step 6: Final answer
    x = 12,540,737.95

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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.