Home / 20,134,537.46-27,784,879.62-12,307,155.45

Finding the Fourth Proportional to 20,134,537.46, 27,784,879.62 and 12,307,155.45

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Solution

The fourth proportional to 20,134,537.46, 27,784,879.62 and 12,307,155.45 is: 16,983,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,537.46 : 27,784,879.62 = 12,307,155.45 : x
  2. Step 2: Convert to fraction form
    20,134,537.46/27,784,879.62 = 12,307,155.45/x
  3. Step 3: Cross multiply
    20,134,537.46x = 27,784,879.62 × 12,307,155.45
  4. Step 4: Simplify right side
    20,134,537.46x = 341,952,832,642,876.94
  5. Step 5: Solve for x
    x = 341,952,832,642,876.94/20,134,537.46
  6. Step 6: Final answer
    x = 16,983,396.48

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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.