Home / 21,910,462.25-30,237,328.20-12,120,737.66

Finding the Fourth Proportional to 21,910,462.25, 30,237,328.20 and 12,120,737.66

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Solution

The fourth proportional to 21,910,462.25, 30,237,328.20 and 12,120,737.66 is: 16,727,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910,462.25 : 30,237,328.20 = 12,120,737.66 : x
  2. Step 2: Convert to fraction form
    21,910,462.25/30,237,328.20 = 12,120,737.66/x
  3. Step 3: Cross multiply
    21,910,462.25x = 30,237,328.20 × 12,120,737.66
  4. Step 4: Simplify right side
    21,910,462.25x = 366,498,722,651,520
  5. Step 5: Solve for x
    x = 366,498,722,651,520/21,910,462.25
  6. Step 6: Final answer
    x = 16,727,110.48

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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.