Home / 7,337,197.20-11,008,420.20-3,078,670.80

Finding the Fourth Proportional to 7,337,197.20, 11,008,420.20 and 3,078,670.80

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Solution

The fourth proportional to 7,337,197.20, 11,008,420.20 and 3,078,670.80 is: 4,619,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337,197.20 : 11,008,420.20 = 3,078,670.80 : x
  2. Step 2: Convert to fraction form
    7,337,197.20/11,008,420.20 = 3,078,670.80/x
  3. Step 3: Cross multiply
    7,337,197.20x = 11,008,420.20 × 3,078,670.80
  4. Step 4: Simplify right side
    7,337,197.20x = 33,891,301,823,870.16
  5. Step 5: Solve for x
    x = 33,891,301,823,870.16/7,337,197.20
  6. Step 6: Final answer
    x = 4,619,107.39

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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.