Home / 13,118,902.70-19,682,040.45-6,387,536.30

Finding the Fourth Proportional to 13,118,902.70, 19,682,040.45 and 6,387,536.30

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Solution

The fourth proportional to 13,118,902.70, 19,682,040.45 and 6,387,536.30 is: 9,583,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,902.70 : 19,682,040.45 = 6,387,536.30 : x
  2. Step 2: Convert to fraction form
    13,118,902.70/19,682,040.45 = 6,387,536.30/x
  3. Step 3: Cross multiply
    13,118,902.70x = 19,682,040.45 × 6,387,536.30
  4. Step 4: Simplify right side
    13,118,902.70x = 125,719,747,832,443.33
  5. Step 5: Solve for x
    x = 125,719,747,832,443.33/13,118,902.70
  6. Step 6: Final answer
    x = 9,583,099.34

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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.