Home / 8,630,933.34-12,948,105.51-3,166,078.89

Finding the Fourth Proportional to 8,630,933.34, 12,948,105.51 and 3,166,078.89

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Solution

The fourth proportional to 8,630,933.34, 12,948,105.51 and 3,166,078.89 is: 4,749,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630,933.34 : 12,948,105.51 = 3,166,078.89 : x
  2. Step 2: Convert to fraction form
    8,630,933.34/12,948,105.51 = 3,166,078.89/x
  3. Step 3: Cross multiply
    8,630,933.34x = 12,948,105.51 × 3,166,078.89
  4. Step 4: Simplify right side
    8,630,933.34x = 40,994,723,520,703.69
  5. Step 5: Solve for x
    x = 40,994,723,520,703.69/8,630,933.34
  6. Step 6: Final answer
    x = 4,749,743.96

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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.