Home / 20,966,277.20-31,430,716.95-8,183,808.95

Finding the Fourth Proportional to 20,966,277.20, 31,430,716.95 and 8,183,808.95

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Solution

The fourth proportional to 20,966,277.20, 31,430,716.95 and 8,183,808.95 is: 12,268,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966,277.20 : 31,430,716.95 = 8,183,808.95 : x
  2. Step 2: Convert to fraction form
    20,966,277.20/31,430,716.95 = 8,183,808.95/x
  3. Step 3: Cross multiply
    20,966,277.20x = 31,430,716.95 × 8,183,808.95
  4. Step 4: Simplify right side
    20,966,277.20x = 257,222,982,680,326.69
  5. Step 5: Solve for x
    x = 257,222,982,680,326.69/20,966,277.20
  6. Step 6: Final answer
    x = 12,268,414.67

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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.