Home / 12,942,003.20-19,420,003.20-5,369,734.40

Finding the Fourth Proportional to 12,942,003.20, 19,420,003.20 and 5,369,734.40

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Solution

The fourth proportional to 12,942,003.20, 19,420,003.20 and 5,369,734.40 is: 8,057,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,003.20 : 19,420,003.20 = 5,369,734.40 : x
  2. Step 2: Convert to fraction form
    12,942,003.20/19,420,003.20 = 5,369,734.40/x
  3. Step 3: Cross multiply
    12,942,003.20x = 19,420,003.20 × 5,369,734.40
  4. Step 4: Simplify right side
    12,942,003.20x = 104,280,259,231,150.08
  5. Step 5: Solve for x
    x = 104,280,259,231,150.08/12,942,003.20
  6. Step 6: Final answer
    x = 8,057,505.29

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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.