Home / 20,771,140.23-31,128,860.31-16,165,687.64

Finding the Fourth Proportional to 20,771,140.23, 31,128,860.31 and 16,165,687.64

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Solution

The fourth proportional to 20,771,140.23, 31,128,860.31 and 16,165,687.64 is: 24,226,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,140.23 : 31,128,860.31 = 16,165,687.64 : x
  2. Step 2: Convert to fraction form
    20,771,140.23/31,128,860.31 = 16,165,687.64/x
  3. Step 3: Cross multiply
    20,771,140.23x = 31,128,860.31 × 16,165,687.64
  4. Step 4: Simplify right side
    20,771,140.23x = 503,219,432,205,009.25
  5. Step 5: Solve for x
    x = 503,219,432,205,009.25/20,771,140.23
  6. Step 6: Final answer
    x = 24,226,856.43

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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.