Home / 18,378,568.53-27,567,846.32-4,915,046.61

Finding the Fourth Proportional to 18,378,568.53, 27,567,846.32 and 4,915,046.61

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Solution

The fourth proportional to 18,378,568.53, 27,567,846.32 and 4,915,046.61 is: 7,372,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,568.53 : 27,567,846.32 = 4,915,046.61 : x
  2. Step 2: Convert to fraction form
    18,378,568.53/27,567,846.32 = 4,915,046.61/x
  3. Step 3: Cross multiply
    18,378,568.53x = 27,567,846.32 × 4,915,046.61
  4. Step 4: Simplify right side
    18,378,568.53x = 135,497,249,575,541.77
  5. Step 5: Solve for x
    x = 135,497,249,575,541.77/18,378,568.53
  6. Step 6: Final answer
    x = 7,372,568.18

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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.