Home / 20,771,178.14-31,128,916.58-16,165,725.20

Finding the Fourth Proportional to 20,771,178.14, 31,128,916.58 and 16,165,725.20

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Solution

The fourth proportional to 20,771,178.14, 31,128,916.58 and 16,165,725.20 is: 24,226,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,178.14 : 31,128,916.58 = 16,165,725.20 : x
  2. Step 2: Convert to fraction form
    20,771,178.14/31,128,916.58 = 16,165,725.20/x
  3. Step 3: Cross multiply
    20,771,178.14x = 31,128,916.58 × 16,165,725.20
  4. Step 4: Simplify right side
    20,771,178.14x = 503,221,511,206,003.75
  5. Step 5: Solve for x
    x = 503,221,511,206,003.75/20,771,178.14
  6. Step 6: Final answer
    x = 24,226,912.30

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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.