Home / 21,798,239.50-32,697,405.15-20,466,481.60

Finding the Fourth Proportional to 21,798,239.50, 32,697,405.15 and 20,466,481.60

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Solution

The fourth proportional to 21,798,239.50, 32,697,405.15 and 20,466,481.60 is: 30,699,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798,239.50 : 32,697,405.15 = 20,466,481.60 : x
  2. Step 2: Convert to fraction form
    21,798,239.50/32,697,405.15 = 20,466,481.60/x
  3. Step 3: Cross multiply
    21,798,239.50x = 32,697,405.15 × 20,466,481.60
  4. Step 4: Simplify right side
    21,798,239.50x = 669,200,840,870,220.25
  5. Step 5: Solve for x
    x = 669,200,840,870,220.25/21,798,239.50
  6. Step 6: Final answer
    x = 30,699,765.50

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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.