Home / 8,082,000.30-12,123,000.45-7,763,135.70

Finding the Fourth Proportional to 8,082,000.30, 12,123,000.45 and 7,763,135.70

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Solution

The fourth proportional to 8,082,000.30, 12,123,000.45 and 7,763,135.70 is: 11,644,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,000.30 : 12,123,000.45 = 7,763,135.70 : x
  2. Step 2: Convert to fraction form
    8,082,000.30/12,123,000.45 = 7,763,135.70/x
  3. Step 3: Cross multiply
    8,082,000.30x = 12,123,000.45 × 7,763,135.70
  4. Step 4: Simplify right side
    8,082,000.30x = 94,112,497,584,511.06
  5. Step 5: Solve for x
    x = 94,112,497,584,511.06/8,082,000.30
  6. Step 6: Final answer
    x = 11,644,703.55

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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.