Home / 20,856,741.40-31,285,112.10-17,313,801.40

Finding the Fourth Proportional to 20,856,741.40, 31,285,112.10 and 17,313,801.40

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Solution

The fourth proportional to 20,856,741.40, 31,285,112.10 and 17,313,801.40 is: 25,970,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,741.40 : 31,285,112.10 = 17,313,801.40 : x
  2. Step 2: Convert to fraction form
    20,856,741.40/31,285,112.10 = 17,313,801.40/x
  3. Step 3: Cross multiply
    20,856,741.40x = 31,285,112.10 × 17,313,801.40
  4. Step 4: Simplify right side
    20,856,741.40x = 541,664,217,676,136.94
  5. Step 5: Solve for x
    x = 541,664,217,676,136.94/20,856,741.40
  6. Step 6: Final answer
    x = 25,970,702.10

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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.