Home / 10,207,355.70-15,311,033.55-10,136,496.90

Finding the Fourth Proportional to 10,207,355.70, 15,311,033.55 and 10,136,496.90

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Solution

The fourth proportional to 10,207,355.70, 15,311,033.55 and 10,136,496.90 is: 15,204,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,355.70 : 15,311,033.55 = 10,136,496.90 : x
  2. Step 2: Convert to fraction form
    10,207,355.70/15,311,033.55 = 10,136,496.90/x
  3. Step 3: Cross multiply
    10,207,355.70x = 15,311,033.55 × 10,136,496.90
  4. Step 4: Simplify right side
    10,207,355.70x = 155,200,244,115,371
  5. Step 5: Solve for x
    x = 155,200,244,115,371/10,207,355.70
  6. Step 6: Final answer
    x = 15,204,745.35

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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.