Home / 21,271,108.64-31,907,794.38-6,699,167.69

Finding the Fourth Proportional to 21,271,108.64, 31,907,794.38 and 6,699,167.69

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Solution

The fourth proportional to 21,271,108.64, 31,907,794.38 and 6,699,167.69 is: 10,049,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271,108.64 : 31,907,794.38 = 6,699,167.69 : x
  2. Step 2: Convert to fraction form
    21,271,108.64/31,907,794.38 = 6,699,167.69/x
  3. Step 3: Cross multiply
    21,271,108.64x = 31,907,794.38 × 6,699,167.69
  4. Step 4: Simplify right side
    21,271,108.64x = 213,755,665,169,659.59
  5. Step 5: Solve for x
    x = 213,755,665,169,659.59/21,271,108.64
  6. Step 6: Final answer
    x = 10,049,107.87

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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.