Home / 15,061,873.04-20,785,823.24-8,535,285.49

Finding the Fourth Proportional to 15,061,873.04, 20,785,823.24 and 8,535,285.49

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Solution

The fourth proportional to 15,061,873.04, 20,785,823.24 and 8,535,285.49 is: 11,778,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061,873.04 : 20,785,823.24 = 8,535,285.49 : x
  2. Step 2: Convert to fraction form
    15,061,873.04/20,785,823.24 = 8,535,285.49/x
  3. Step 3: Cross multiply
    15,061,873.04x = 20,785,823.24 × 8,535,285.49
  4. Step 4: Simplify right side
    15,061,873.04x = 177,412,935,383,949.09
  5. Step 5: Solve for x
    x = 177,412,935,383,949.09/15,061,873.04
  6. Step 6: Final answer
    x = 11,778,942.43

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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.