Home / 15,037,983.42-20,751,880.17-8,511,472.74

Finding the Fourth Proportional to 15,037,983.42, 20,751,880.17 and 8,511,472.74

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Solution

The fourth proportional to 15,037,983.42, 20,751,880.17 and 8,511,472.74 is: 11,745,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,983.42 : 20,751,880.17 = 8,511,472.74 : x
  2. Step 2: Convert to fraction form
    15,037,983.42/20,751,880.17 = 8,511,472.74/x
  3. Step 3: Cross multiply
    15,037,983.42x = 20,751,880.17 × 8,511,472.74
  4. Step 4: Simplify right side
    15,037,983.42x = 176,629,062,416,603.12
  5. Step 5: Solve for x
    x = 176,629,062,416,603.12/15,037,983.42
  6. Step 6: Final answer
    x = 11,745,528.47

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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.