Home / 21,907,885.32-30,230,555.22-12,116,773.80

Finding the Fourth Proportional to 21,907,885.32, 30,230,555.22 and 12,116,773.80

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Solution

The fourth proportional to 21,907,885.32, 30,230,555.22 and 12,116,773.80 is: 16,719,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907,885.32 : 30,230,555.22 = 12,116,773.80 : x
  2. Step 2: Convert to fraction form
    21,907,885.32/30,230,555.22 = 12,116,773.80/x
  3. Step 3: Cross multiply
    21,907,885.32x = 30,230,555.22 × 12,116,773.80
  4. Step 4: Simplify right side
    21,907,885.32x = 366,296,799,449,149.25
  5. Step 5: Solve for x
    x = 366,296,799,449,149.25/21,907,885.32
  6. Step 6: Final answer
    x = 16,719,861.10

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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.