Home / 20,771,175.64-31,128,912.85-16,165,722.70

Finding the Fourth Proportional to 20,771,175.64, 31,128,912.85 and 16,165,722.70

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Solution

The fourth proportional to 20,771,175.64, 31,128,912.85 and 16,165,722.70 is: 24,226,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,175.64 : 31,128,912.85 = 16,165,722.70 : x
  2. Step 2: Convert to fraction form
    20,771,175.64/31,128,912.85 = 16,165,722.70/x
  3. Step 3: Cross multiply
    20,771,175.64x = 31,128,912.85 × 16,165,722.70
  4. Step 4: Simplify right side
    20,771,175.64x = 503,221,373,085,566.69
  5. Step 5: Solve for x
    x = 503,221,373,085,566.69/20,771,175.64
  6. Step 6: Final answer
    x = 24,226,908.57

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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.