Home / 20,196,260.20-30,285,059.10-8,830,858.60

Finding the Fourth Proportional to 20,196,260.20, 30,285,059.10 and 8,830,858.60

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Solution

The fourth proportional to 20,196,260.20, 30,285,059.10 and 8,830,858.60 is: 13,242,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,260.20 : 30,285,059.10 = 8,830,858.60 : x
  2. Step 2: Convert to fraction form
    20,196,260.20/30,285,059.10 = 8,830,858.60/x
  3. Step 3: Cross multiply
    20,196,260.20x = 30,285,059.10 × 8,830,858.60
  4. Step 4: Simplify right side
    20,196,260.20x = 267,443,074,604,743.25
  5. Step 5: Solve for x
    x = 267,443,074,604,743.25/20,196,260.20
  6. Step 6: Final answer
    x = 13,242,207.81

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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.