Home / 6,388,715.40-9,583,073.10-3,997,230.90

Finding the Fourth Proportional to 6,388,715.40, 9,583,073.10 and 3,997,230.90

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Solution

The fourth proportional to 6,388,715.40, 9,583,073.10 and 3,997,230.90 is: 5,995,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,715.40 : 9,583,073.10 = 3,997,230.90 : x
  2. Step 2: Convert to fraction form
    6,388,715.40/9,583,073.10 = 3,997,230.90/x
  3. Step 3: Cross multiply
    6,388,715.40x = 9,583,073.10 × 3,997,230.90
  4. Step 4: Simplify right side
    6,388,715.40x = 38,305,755,912,278.79
  5. Step 5: Solve for x
    x = 38,305,755,912,278.79/6,388,715.40
  6. Step 6: Final answer
    x = 5,995,846.35

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Double scale
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Similar ratio
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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.