Home / 20,771,099.43-31,128,799.07-16,165,646.72

Finding the Fourth Proportional to 20,771,099.43, 31,128,799.07 and 16,165,646.72

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Solution

The fourth proportional to 20,771,099.43, 31,128,799.07 and 16,165,646.72 is: 24,226,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,099.43 : 31,128,799.07 = 16,165,646.72 : x
  2. Step 2: Convert to fraction form
    20,771,099.43/31,128,799.07 = 16,165,646.72/x
  3. Step 3: Cross multiply
    20,771,099.43x = 31,128,799.07 × 16,165,646.72
  4. Step 4: Simplify right side
    20,771,099.43x = 503,217,168,427,840.56
  5. Step 5: Solve for x
    x = 503,217,168,427,840.56/20,771,099.43
  6. Step 6: Final answer
    x = 24,226,795.03

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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.