Home / 8,761,982.40-13,128,842.40-4,964,171.20

Finding the Fourth Proportional to 8,761,982.40, 13,128,842.40 and 4,964,171.20

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Solution

The fourth proportional to 8,761,982.40, 13,128,842.40 and 4,964,171.20 is: 7,438,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,982.40 : 13,128,842.40 = 4,964,171.20 : x
  2. Step 2: Convert to fraction form
    8,761,982.40/13,128,842.40 = 4,964,171.20/x
  3. Step 3: Cross multiply
    8,761,982.40x = 13,128,842.40 × 4,964,171.20
  4. Step 4: Simplify right side
    8,761,982.40x = 65,173,821,331,418.88
  5. Step 5: Solve for x
    x = 65,173,821,331,418.88/8,761,982.40
  6. Step 6: Final answer
    x = 7,438,250.66

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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.