Home / 21,910,467-30,237,334.74-12,120,742.41

Finding the Fourth Proportional to 21,910,467, 30,237,334.74 and 12,120,742.41

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Solution

The fourth proportional to 21,910,467, 30,237,334.74 and 12,120,742.41 is: 16,727,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910,467 : 30,237,334.74 = 12,120,742.41 : x
  2. Step 2: Convert to fraction form
    21,910,467/30,237,334.74 = 12,120,742.41/x
  3. Step 3: Cross multiply
    21,910,467x = 30,237,334.74 × 12,120,742.41
  4. Step 4: Simplify right side
    21,910,467x = 366,498,945,548,484.31
  5. Step 5: Solve for x
    x = 366,498,945,548,484.31/21,910,467
  6. Step 6: Final answer
    x = 16,727,117.02

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1.5x scale

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.