Home / 31,702,844.25-47,485,939.88-21,411,110.88

Finding the Fourth Proportional to 31,702,844.25, 47,485,939.88 and 21,411,110.88

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Solution

The fourth proportional to 31,702,844.25, 47,485,939.88 and 21,411,110.88 is: 32,070,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702,844.25 : 47,485,939.88 = 21,411,110.88 : x
  2. Step 2: Convert to fraction form
    31,702,844.25/47,485,939.88 = 21,411,110.88/x
  3. Step 3: Cross multiply
    31,702,844.25x = 47,485,939.88 × 21,411,110.88
  4. Step 4: Simplify right side
    31,702,844.25x = 1,016,726,723,904,638.25
  5. Step 5: Solve for x
    x = 1,016,726,723,904,638.25/31,702,844.25
  6. Step 6: Final answer
    x = 32,070,520.74

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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.