Home / 13,305,717.40-19,958,576.10-11,962,024.60

Finding the Fourth Proportional to 13,305,717.40, 19,958,576.10 and 11,962,024.60

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Solution

The fourth proportional to 13,305,717.40, 19,958,576.10 and 11,962,024.60 is: 17,943,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,717.40 : 19,958,576.10 = 11,962,024.60 : x
  2. Step 2: Convert to fraction form
    13,305,717.40/19,958,576.10 = 11,962,024.60/x
  3. Step 3: Cross multiply
    13,305,717.40x = 19,958,576.10 × 11,962,024.60
  4. Step 4: Simplify right side
    13,305,717.40x = 238,744,978,289,172.06
  5. Step 5: Solve for x
    x = 238,744,978,289,172.06/13,305,717.40
  6. Step 6: Final answer
    x = 17,943,036.90

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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.