Home / 8,149,142.10-12,223,713.15-2,468,628.30

Finding the Fourth Proportional to 8,149,142.10, 12,223,713.15 and 2,468,628.30

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Solution

The fourth proportional to 8,149,142.10, 12,223,713.15 and 2,468,628.30 is: 3,702,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,142.10 : 12,223,713.15 = 2,468,628.30 : x
  2. Step 2: Convert to fraction form
    8,149,142.10/12,223,713.15 = 2,468,628.30/x
  3. Step 3: Cross multiply
    8,149,142.10x = 12,223,713.15 × 2,468,628.30
  4. Step 4: Simplify right side
    8,149,142.10x = 30,175,804,213,172.14
  5. Step 5: Solve for x
    x = 30,175,804,213,172.14/8,149,142.10
  6. Step 6: Final answer
    x = 3,702,942.45

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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.