Home / 21,990,380.24-30,346,695.24-12,332,503.76

Finding the Fourth Proportional to 21,990,380.24, 30,346,695.24 and 12,332,503.76

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Solution

The fourth proportional to 21,990,380.24, 30,346,695.24 and 12,332,503.76 is: 17,018,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,380.24 : 30,346,695.24 = 12,332,503.76 : x
  2. Step 2: Convert to fraction form
    21,990,380.24/30,346,695.24 = 12,332,503.76/x
  3. Step 3: Cross multiply
    21,990,380.24x = 30,346,695.24 × 12,332,503.76
  4. Step 4: Simplify right side
    21,990,380.24x = 374,250,733,150,874.06
  5. Step 5: Solve for x
    x = 374,250,733,150,874.06/21,990,380.24
  6. Step 6: Final answer
    x = 17,018,838.65

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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.