Home / 13,902,716.40-20,854,074.60-8,229,346.80

Finding the Fourth Proportional to 13,902,716.40, 20,854,074.60 and 8,229,346.80

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Solution

The fourth proportional to 13,902,716.40, 20,854,074.60 and 8,229,346.80 is: 12,344,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,716.40 : 20,854,074.60 = 8,229,346.80 : x
  2. Step 2: Convert to fraction form
    13,902,716.40/20,854,074.60 = 8,229,346.80/x
  3. Step 3: Cross multiply
    13,902,716.40x = 20,854,074.60 × 8,229,346.80
  4. Step 4: Simplify right side
    13,902,716.40x = 171,615,412,076,471.28
  5. Step 5: Solve for x
    x = 171,615,412,076,471.28/13,902,716.40
  6. Step 6: Final answer
    x = 12,344,020.20

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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.