Home / 34,212,120.90-47,212,724.25-20,461,084.62

Finding the Fourth Proportional to 34,212,120.90, 47,212,724.25 and 20,461,084.62

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Solution

The fourth proportional to 34,212,120.90, 47,212,724.25 and 20,461,084.62 is: 28,236,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,212,120.90 : 47,212,724.25 = 20,461,084.62 : x
  2. Step 2: Convert to fraction form
    34,212,120.90/47,212,724.25 = 20,461,084.62/x
  3. Step 3: Cross multiply
    34,212,120.90x = 47,212,724.25 × 20,461,084.62
  4. Step 4: Simplify right side
    34,212,120.90x = 966,023,546,019,976.12
  5. Step 5: Solve for x
    x = 966,023,546,019,976.12/34,212,120.90
  6. Step 6: Final answer
    x = 28,236,295.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.