Home / 20,777,213.40-31,165,820.10-17,238,269.40

Finding the Fourth Proportional to 20,777,213.40, 31,165,820.10 and 17,238,269.40

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Solution

The fourth proportional to 20,777,213.40, 31,165,820.10 and 17,238,269.40 is: 25,857,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,213.40 : 31,165,820.10 = 17,238,269.40 : x
  2. Step 2: Convert to fraction form
    20,777,213.40/31,165,820.10 = 17,238,269.40/x
  3. Step 3: Cross multiply
    20,777,213.40x = 31,165,820.10 × 17,238,269.40
  4. Step 4: Simplify right side
    20,777,213.40x = 537,244,802,955,734.94
  5. Step 5: Solve for x
    x = 537,244,802,955,734.94/20,777,213.40
  6. Step 6: Final answer
    x = 25,857,404.10

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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.