Home / 15,037,981.91-20,751,878.10-8,511,471.24

Finding the Fourth Proportional to 15,037,981.91, 20,751,878.10 and 8,511,471.24

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Solution

The fourth proportional to 15,037,981.91, 20,751,878.10 and 8,511,471.24 is: 11,745,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,981.91 : 20,751,878.10 = 8,511,471.24 : x
  2. Step 2: Convert to fraction form
    15,037,981.91/20,751,878.10 = 8,511,471.24/x
  3. Step 3: Cross multiply
    15,037,981.91x = 20,751,878.10 × 8,511,471.24
  4. Step 4: Simplify right side
    15,037,981.91x = 176,629,013,681,508.47
  5. Step 5: Solve for x
    x = 176,629,013,681,508.47/15,037,981.91
  6. Step 6: Final answer
    x = 11,745,526.41

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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.