Home / 20,088,000.20-30,132,000.30-6,441,120.20

Finding the Fourth Proportional to 20,088,000.20, 30,132,000.30 and 6,441,120.20

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Solution

The fourth proportional to 20,088,000.20, 30,132,000.30 and 6,441,120.20 is: 9,661,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088,000.20 : 30,132,000.30 = 6,441,120.20 : x
  2. Step 2: Convert to fraction form
    20,088,000.20/30,132,000.30 = 6,441,120.20/x
  3. Step 3: Cross multiply
    20,088,000.20x = 30,132,000.30 × 6,441,120.20
  4. Step 4: Simplify right side
    20,088,000.20x = 194,083,835,798,736.06
  5. Step 5: Solve for x
    x = 194,083,835,798,736.06/20,088,000.20
  6. Step 6: Final answer
    x = 9,661,680.30

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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.