Home / 10,861,981.70-16,292,972.55-3,289,324.10

Finding the Fourth Proportional to 10,861,981.70, 16,292,972.55 and 3,289,324.10

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Solution

The fourth proportional to 10,861,981.70, 16,292,972.55 and 3,289,324.10 is: 4,933,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,981.70 : 16,292,972.55 = 3,289,324.10 : x
  2. Step 2: Convert to fraction form
    10,861,981.70/16,292,972.55 = 3,289,324.10/x
  3. Step 3: Cross multiply
    10,861,981.70x = 16,292,972.55 × 3,289,324.10
  4. Step 4: Simplify right side
    10,861,981.70x = 53,592,867,269,353.46
  5. Step 5: Solve for x
    x = 53,592,867,269,353.46/10,861,981.70
  6. Step 6: Final answer
    x = 4,933,986.15

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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.