Home / 12,586,812.90-18,889,550.55-8,325,564.90

Finding the Fourth Proportional to 12,586,812.90, 18,889,550.55 and 8,325,564.90

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Solution

The fourth proportional to 12,586,812.90, 18,889,550.55 and 8,325,564.90 is: 12,494,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,812.90 : 18,889,550.55 = 8,325,564.90 : x
  2. Step 2: Convert to fraction form
    12,586,812.90/18,889,550.55 = 8,325,564.90/x
  3. Step 3: Cross multiply
    12,586,812.90x = 18,889,550.55 × 8,325,564.90
  4. Step 4: Simplify right side
    12,586,812.90x = 157,266,179,035,855.72
  5. Step 5: Solve for x
    x = 157,266,179,035,855.72/12,586,812.90
  6. Step 6: Final answer
    x = 12,494,519.49

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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.