Home / 11,914,989.03-17,880,035.99-5,091,609.78

Finding the Fourth Proportional to 11,914,989.03, 17,880,035.99 and 5,091,609.78

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Solution

The fourth proportional to 11,914,989.03, 17,880,035.99 and 5,091,609.78 is: 7,640,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914,989.03 : 17,880,035.99 = 5,091,609.78 : x
  2. Step 2: Convert to fraction form
    11,914,989.03/17,880,035.99 = 5,091,609.78/x
  3. Step 3: Cross multiply
    11,914,989.03x = 17,880,035.99 × 5,091,609.78
  4. Step 4: Simplify right side
    11,914,989.03x = 91,038,166,087,977.94
  5. Step 5: Solve for x
    x = 91,038,166,087,977.94/11,914,989.03
  6. Step 6: Final answer
    x = 7,640,642.04

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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.