Home / 8,148,935.40-12,223,403.10-2,469,442.20

Finding the Fourth Proportional to 8,148,935.40, 12,223,403.10 and 2,469,442.20

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Solution

The fourth proportional to 8,148,935.40, 12,223,403.10 and 2,469,442.20 is: 3,704,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,935.40 : 12,223,403.10 = 2,469,442.20 : x
  2. Step 2: Convert to fraction form
    8,148,935.40/12,223,403.10 = 2,469,442.20/x
  3. Step 3: Cross multiply
    8,148,935.40x = 12,223,403.10 × 2,469,442.20
  4. Step 4: Simplify right side
    8,148,935.40x = 30,184,987,442,750.82
  5. Step 5: Solve for x
    x = 30,184,987,442,750.82/8,148,935.40
  6. Step 6: Final answer
    x = 3,704,163.30

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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.