Home / 8,180,428.46-12,269,313.72-3,862,470.38

Finding the Fourth Proportional to 8,180,428.46, 12,269,313.72 and 3,862,470.38

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Solution

The fourth proportional to 8,180,428.46, 12,269,313.72 and 3,862,470.38 is: 5,793,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,428.46 : 12,269,313.72 = 3,862,470.38 : x
  2. Step 2: Convert to fraction form
    8,180,428.46/12,269,313.72 = 3,862,470.38/x
  3. Step 3: Cross multiply
    8,180,428.46x = 12,269,313.72 × 3,862,470.38
  4. Step 4: Simplify right side
    8,180,428.46x = 47,389,860,826,427.62
  5. Step 5: Solve for x
    x = 47,389,860,826,427.62/8,180,428.46
  6. Step 6: Final answer
    x = 5,793,078.08

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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.