Home / 21,888,181.70-32,832,272.55-12,818,255.30

Finding the Fourth Proportional to 21,888,181.70, 32,832,272.55 and 12,818,255.30

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Solution

The fourth proportional to 21,888,181.70, 32,832,272.55 and 12,818,255.30 is: 19,227,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,181.70 : 32,832,272.55 = 12,818,255.30 : x
  2. Step 2: Convert to fraction form
    21,888,181.70/32,832,272.55 = 12,818,255.30/x
  3. Step 3: Cross multiply
    21,888,181.70x = 32,832,272.55 × 12,818,255.30
  4. Step 4: Simplify right side
    21,888,181.70x = 420,852,451,625,082.06
  5. Step 5: Solve for x
    x = 420,852,451,625,082.06/21,888,181.70
  6. Step 6: Final answer
    x = 19,227,382.95

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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.