Home / 10,531,408.80-15,765,620.40-6,269,383.20

Finding the Fourth Proportional to 10,531,408.80, 15,765,620.40 and 6,269,383.20

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Solution

The fourth proportional to 10,531,408.80, 15,765,620.40 and 6,269,383.20 is: 9,385,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,408.80 : 15,765,620.40 = 6,269,383.20 : x
  2. Step 2: Convert to fraction form
    10,531,408.80/15,765,620.40 = 6,269,383.20/x
  3. Step 3: Cross multiply
    10,531,408.80x = 15,765,620.40 × 6,269,383.20
  4. Step 4: Simplify right side
    10,531,408.80x = 98,840,715,673,337.28
  5. Step 5: Solve for x
    x = 98,840,715,673,337.28/10,531,408.80
  6. Step 6: Final answer
    x = 9,385,327.03

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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.