Home / 12,476,496.20-18,723,038.70-7,085,136.20

Finding the Fourth Proportional to 12,476,496.20, 18,723,038.70 and 7,085,136.20

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Solution

The fourth proportional to 12,476,496.20, 18,723,038.70 and 7,085,136.20 is: 10,632,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,496.20 : 18,723,038.70 = 7,085,136.20 : x
  2. Step 2: Convert to fraction form
    12,476,496.20/18,723,038.70 = 7,085,136.20/x
  3. Step 3: Cross multiply
    12,476,496.20x = 18,723,038.70 × 7,085,136.20
  4. Step 4: Simplify right side
    12,476,496.20x = 132,655,279,267,370.94
  5. Step 5: Solve for x
    x = 132,655,279,267,370.94/12,476,496.20
  6. Step 6: Final answer
    x = 10,632,414.51

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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.