Home / 8,789,662.30-13,184,493.45-7,278,007.90

Finding the Fourth Proportional to 8,789,662.30, 13,184,493.45 and 7,278,007.90

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Solution

The fourth proportional to 8,789,662.30, 13,184,493.45 and 7,278,007.90 is: 10,917,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,662.30 : 13,184,493.45 = 7,278,007.90 : x
  2. Step 2: Convert to fraction form
    8,789,662.30/13,184,493.45 = 7,278,007.90/x
  3. Step 3: Cross multiply
    8,789,662.30x = 13,184,493.45 × 7,278,007.90
  4. Step 4: Simplify right side
    8,789,662.30x = 95,956,847,486,598.25
  5. Step 5: Solve for x
    x = 95,956,847,486,598.25/8,789,662.30
  6. Step 6: Final answer
    x = 10,917,011.85

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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.