Home / 19,629,498.30-27,071,073.23-12,288,000.72

Finding the Fourth Proportional to 19,629,498.30, 27,071,073.23 and 12,288,000.72

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Solution

The fourth proportional to 19,629,498.30, 27,071,073.23 and 12,288,000.72 is: 16,946,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629,498.30 : 27,071,073.23 = 12,288,000.72 : x
  2. Step 2: Convert to fraction form
    19,629,498.30/27,071,073.23 = 12,288,000.72/x
  3. Step 3: Cross multiply
    19,629,498.30x = 27,071,073.23 × 12,288,000.72
  4. Step 4: Simplify right side
    19,629,498.30x = 332,649,367,279,972.75
  5. Step 5: Solve for x
    x = 332,649,367,279,972.75/19,629,498.30
  6. Step 6: Final answer
    x = 16,946,401.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.