Home / 18,494,046.72-27,740,498.09-8,785,648.40

Finding the Fourth Proportional to 18,494,046.72, 27,740,498.09 and 8,785,648.40

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Solution

The fourth proportional to 18,494,046.72, 27,740,498.09 and 8,785,648.40 is: 13,178,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494,046.72 : 27,740,498.09 = 8,785,648.40 : x
  2. Step 2: Convert to fraction form
    18,494,046.72/27,740,498.09 = 8,785,648.40/x
  3. Step 3: Cross multiply
    18,494,046.72x = 27,740,498.09 × 8,785,648.40
  4. Step 4: Simplify right side
    18,494,046.72x = 243,718,262,476,980.81
  5. Step 5: Solve for x
    x = 243,718,262,476,980.81/18,494,046.72
  6. Step 6: Final answer
    x = 13,178,200.86

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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.