Home / 28,878,174.54-43,288,072.29-18,103,036.86

Finding the Fourth Proportional to 28,878,174.54, 43,288,072.29 and 18,103,036.86

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Solution

The fourth proportional to 28,878,174.54, 43,288,072.29 and 18,103,036.86 is: 27,136,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878,174.54 : 43,288,072.29 = 18,103,036.86 : x
  2. Step 2: Convert to fraction form
    28,878,174.54/43,288,072.29 = 18,103,036.86/x
  3. Step 3: Cross multiply
    28,878,174.54x = 43,288,072.29 × 18,103,036.86
  4. Step 4: Simplify right side
    28,878,174.54x = 783,645,568,264,214.62
  5. Step 5: Solve for x
    x = 783,645,568,264,214.62/28,878,174.54
  6. Step 6: Final answer
    x = 27,136,257.08

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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.