Home / 15,037,983.48-20,751,880.25-8,511,472.81

Finding the Fourth Proportional to 15,037,983.48, 20,751,880.25 and 8,511,472.81

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Solution

The fourth proportional to 15,037,983.48, 20,751,880.25 and 8,511,472.81 is: 11,745,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,983.48 : 20,751,880.25 = 8,511,472.81 : x
  2. Step 2: Convert to fraction form
    15,037,983.48/20,751,880.25 = 8,511,472.81/x
  3. Step 3: Cross multiply
    15,037,983.48x = 20,751,880.25 × 8,511,472.81
  4. Step 4: Simplify right side
    15,037,983.48x = 176,629,064,452,371.28
  5. Step 5: Solve for x
    x = 176,629,064,452,371.28/15,037,983.48
  6. Step 6: Final answer
    x = 11,745,528.56

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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.