Home / 12,144,448.70-18,216,673.05-3,169,000.70

Finding the Fourth Proportional to 12,144,448.70, 18,216,673.05 and 3,169,000.70

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Solution

The fourth proportional to 12,144,448.70, 18,216,673.05 and 3,169,000.70 is: 4,753,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,448.70 : 18,216,673.05 = 3,169,000.70 : x
  2. Step 2: Convert to fraction form
    12,144,448.70/18,216,673.05 = 3,169,000.70/x
  3. Step 3: Cross multiply
    12,144,448.70x = 18,216,673.05 × 3,169,000.70
  4. Step 4: Simplify right side
    12,144,448.70x = 57,728,649,647,121.14
  5. Step 5: Solve for x
    x = 57,728,649,647,121.14/12,144,448.70
  6. Step 6: Final answer
    x = 4,753,501.05

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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.