Home / 20,835,452.40-31,211,188.20-14,033,007.60

Finding the Fourth Proportional to 20,835,452.40, 31,211,188.20 and 14,033,007.60

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Solution

The fourth proportional to 20,835,452.40, 31,211,188.20 and 14,033,007.60 is: 21,021,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835,452.40 : 31,211,188.20 = 14,033,007.60 : x
  2. Step 2: Convert to fraction form
    20,835,452.40/31,211,188.20 = 14,033,007.60/x
  3. Step 3: Cross multiply
    20,835,452.40x = 31,211,188.20 × 14,033,007.60
  4. Step 4: Simplify right side
    20,835,452.40x = 437,986,841,215,630.31
  5. Step 5: Solve for x
    x = 437,986,841,215,630.31/20,835,452.40
  6. Step 6: Final answer
    x = 21,021,230.20

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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.