Home / 18,894,641.92-28,346,460.20-6,115,146.64

Finding the Fourth Proportional to 18,894,641.92, 28,346,460.20 and 6,115,146.64

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Solution

The fourth proportional to 18,894,641.92, 28,346,460.20 and 6,115,146.64 is: 9,174,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,641.92 : 28,346,460.20 = 6,115,146.64 : x
  2. Step 2: Convert to fraction form
    18,894,641.92/28,346,460.20 = 6,115,146.64/x
  3. Step 3: Cross multiply
    18,894,641.92x = 28,346,460.20 × 6,115,146.64
  4. Step 4: Simplify right side
    18,894,641.92x = 173,342,760,847,923.72
  5. Step 5: Solve for x
    x = 173,342,760,847,923.72/18,894,641.92
  6. Step 6: Final answer
    x = 9,174,175.49

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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.