Home / 8,066,881.20-12,114,318.60-4,287,745.20

Finding the Fourth Proportional to 8,066,881.20, 12,114,318.60 and 4,287,745.20

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Solution

The fourth proportional to 8,066,881.20, 12,114,318.60 and 4,287,745.20 is: 6,439,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,881.20 : 12,114,318.60 = 4,287,745.20 : x
  2. Step 2: Convert to fraction form
    8,066,881.20/12,114,318.60 = 4,287,745.20/x
  3. Step 3: Cross multiply
    8,066,881.20x = 12,114,318.60 × 4,287,745.20
  4. Step 4: Simplify right side
    8,066,881.20x = 51,943,111,428,420.72
  5. Step 5: Solve for x
    x = 51,943,111,428,420.72/8,066,881.20
  6. Step 6: Final answer
    x = 6,439,057.44

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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.