Home / 12,268,830.70-18,403,246.05-3,294,289.90

Finding the Fourth Proportional to 12,268,830.70, 18,403,246.05 and 3,294,289.90

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Solution

The fourth proportional to 12,268,830.70, 18,403,246.05 and 3,294,289.90 is: 4,941,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,830.70 : 18,403,246.05 = 3,294,289.90 : x
  2. Step 2: Convert to fraction form
    12,268,830.70/18,403,246.05 = 3,294,289.90/x
  3. Step 3: Cross multiply
    12,268,830.70x = 18,403,246.05 × 3,294,289.90
  4. Step 4: Simplify right side
    12,268,830.70x = 60,625,627,589,729.90
  5. Step 5: Solve for x
    x = 60,625,627,589,729.90/12,268,830.70
  6. Step 6: Final answer
    x = 4,941,434.85

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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.