Home / 20,771,137.97-31,128,856.94-16,165,685.38

Finding the Fourth Proportional to 20,771,137.97, 31,128,856.94 and 16,165,685.38

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Solution

The fourth proportional to 20,771,137.97, 31,128,856.94 and 16,165,685.38 is: 24,226,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,137.97 : 31,128,856.94 = 16,165,685.38 : x
  2. Step 2: Convert to fraction form
    20,771,137.97/31,128,856.94 = 16,165,685.38/x
  3. Step 3: Cross multiply
    20,771,137.97x = 31,128,856.94 × 16,165,685.38
  4. Step 4: Simplify right side
    20,771,137.97x = 503,219,307,552,028.19
  5. Step 5: Solve for x
    x = 503,219,307,552,028.19/20,771,137.97
  6. Step 6: Final answer
    x = 24,226,853.06

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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.