Home / 21,612,375.72-32,366,611.44-12,362,313.06

Finding the Fourth Proportional to 21,612,375.72, 32,366,611.44 and 12,362,313.06

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Solution

The fourth proportional to 21,612,375.72, 32,366,611.44 and 12,362,313.06 is: 18,513,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612,375.72 : 32,366,611.44 = 12,362,313.06 : x
  2. Step 2: Convert to fraction form
    21,612,375.72/32,366,611.44 = 12,362,313.06/x
  3. Step 3: Cross multiply
    21,612,375.72x = 32,366,611.44 × 12,362,313.06
  4. Step 4: Simplify right side
    21,612,375.72x = 400,126,183,312,657.44
  5. Step 5: Solve for x
    x = 400,126,183,312,657.44/21,612,375.72
  6. Step 6: Final answer
    x = 18,513,752.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.