Home / 7,205,103.20-10,807,593.78-2,942,281.64

Finding the Fourth Proportional to 7,205,103.20, 10,807,593.78 and 2,942,281.64

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Solution

The fourth proportional to 7,205,103.20, 10,807,593.78 and 2,942,281.64 is: 4,413,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205,103.20 : 10,807,593.78 = 2,942,281.64 : x
  2. Step 2: Convert to fraction form
    7,205,103.20/10,807,593.78 = 2,942,281.64/x
  3. Step 3: Cross multiply
    7,205,103.20x = 10,807,593.78 × 2,942,281.64
  4. Step 4: Simplify right side
    7,205,103.20x = 31,798,984,751,472.20
  5. Step 5: Solve for x
    x = 31,798,984,751,472.20/7,205,103.20
  6. Step 6: Final answer
    x = 4,413,397.54

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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.