Home / 18,346,887.20-27,520,221.45-4,700,007.20

Finding the Fourth Proportional to 18,346,887.20, 27,520,221.45 and 4,700,007.20

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Solution

The fourth proportional to 18,346,887.20, 27,520,221.45 and 4,700,007.20 is: 7,049,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,887.20 : 27,520,221.45 = 4,700,007.20 : x
  2. Step 2: Convert to fraction form
    18,346,887.20/27,520,221.45 = 4,700,007.20/x
  3. Step 3: Cross multiply
    18,346,887.20x = 27,520,221.45 × 4,700,007.20
  4. Step 4: Simplify right side
    18,346,887.20x = 129,345,238,960,594.44
  5. Step 5: Solve for x
    x = 129,345,238,960,594.44/18,346,887.20
  6. Step 6: Final answer
    x = 7,049,982.79

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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.