Home / 20,189,284.90-30,283,927.35-8,060,620.30

Finding the Fourth Proportional to 20,189,284.90, 30,283,927.35 and 8,060,620.30

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Solution

The fourth proportional to 20,189,284.90, 30,283,927.35 and 8,060,620.30 is: 12,090,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,284.90 : 30,283,927.35 = 8,060,620.30 : x
  2. Step 2: Convert to fraction form
    20,189,284.90/30,283,927.35 = 8,060,620.30/x
  3. Step 3: Cross multiply
    20,189,284.90x = 30,283,927.35 × 8,060,620.30
  4. Step 4: Simplify right side
    20,189,284.90x = 244,107,239,561,135.22
  5. Step 5: Solve for x
    x = 244,107,239,561,135.22/20,189,284.90
  6. Step 6: Final answer
    x = 12,090,930.45

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Double scale
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Similar ratio
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1.5x scale

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.