Home / 12,910,676.04-17,815,378.32-7,327,144.62

Finding the Fourth Proportional to 12,910,676.04, 17,815,378.32 and 7,327,144.62

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Solution

The fourth proportional to 12,910,676.04, 17,815,378.32 and 7,327,144.62 is: 10,110,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910,676.04 : 17,815,378.32 = 7,327,144.62 : x
  2. Step 2: Convert to fraction form
    12,910,676.04/17,815,378.32 = 7,327,144.62/x
  3. Step 3: Cross multiply
    12,910,676.04x = 17,815,378.32 × 7,327,144.62
  4. Step 4: Simplify right side
    12,910,676.04x = 130,535,853,410,652.64
  5. Step 5: Solve for x
    x = 130,535,853,410,652.64/12,910,676.04
  6. Step 6: Final answer
    x = 10,110,690.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.