Home / 13,184,315.10-19,773,520.20-8,667,066.60

Finding the Fourth Proportional to 13,184,315.10, 19,773,520.20 and 8,667,066.60

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Solution

The fourth proportional to 13,184,315.10, 19,773,520.20 and 8,667,066.60 is: 12,998,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,315.10 : 19,773,520.20 = 8,667,066.60 : x
  2. Step 2: Convert to fraction form
    13,184,315.10/19,773,520.20 = 8,667,066.60/x
  3. Step 3: Cross multiply
    13,184,315.10x = 19,773,520.20 × 8,667,066.60
  4. Step 4: Simplify right side
    13,184,315.10x = 171,378,416,489,845.31
  5. Step 5: Solve for x
    x = 171,378,416,489,845.31/13,184,315.10
  6. Step 6: Final answer
    x = 12,998,659.03

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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.