Home / 10,422,012.40-15,647,015.40-6,652,207.60

Finding the Fourth Proportional to 10,422,012.40, 15,647,015.40 and 6,652,207.60

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Solution

The fourth proportional to 10,422,012.40, 15,647,015.40 and 6,652,207.60 is: 9,987,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422,012.40 : 15,647,015.40 = 6,652,207.60 : x
  2. Step 2: Convert to fraction form
    10,422,012.40/15,647,015.40 = 6,652,207.60/x
  3. Step 3: Cross multiply
    10,422,012.40x = 15,647,015.40 × 6,652,207.60
  4. Step 4: Simplify right side
    10,422,012.40x = 104,087,194,761,197.03
  5. Step 5: Solve for x
    x = 104,087,194,761,197.03/10,422,012.40
  6. Step 6: Final answer
    x = 9,987,245.34

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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.