Home / 28,082,236.20-42,123,354.30-6,807,100.20

Finding the Fourth Proportional to 28,082,236.20, 42,123,354.30 and 6,807,100.20

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Solution

The fourth proportional to 28,082,236.20, 42,123,354.30 and 6,807,100.20 is: 10,210,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,236.20 : 42,123,354.30 = 6,807,100.20 : x
  2. Step 2: Convert to fraction form
    28,082,236.20/42,123,354.30 = 6,807,100.20/x
  3. Step 3: Cross multiply
    28,082,236.20x = 42,123,354.30 × 6,807,100.20
  4. Step 4: Simplify right side
    28,082,236.20x = 286,737,893,480,200.88
  5. Step 5: Solve for x
    x = 286,737,893,480,200.88/28,082,236.20
  6. Step 6: Final answer
    x = 10,210,650.30

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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.