Home / 8,580,956.94-12,871,418.40-2,191,213.62

Finding the Fourth Proportional to 8,580,956.94, 12,871,418.40 and 2,191,213.62

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Solution

The fourth proportional to 8,580,956.94, 12,871,418.40 and 2,191,213.62 is: 3,286,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,956.94 : 12,871,418.40 = 2,191,213.62 : x
  2. Step 2: Convert to fraction form
    8,580,956.94/12,871,418.40 = 2,191,213.62/x
  3. Step 3: Cross multiply
    8,580,956.94x = 12,871,418.40 × 2,191,213.62
  4. Step 4: Simplify right side
    8,580,956.94x = 28,204,027,306,798.61
  5. Step 5: Solve for x
    x = 28,204,027,306,798.61/8,580,956.94
  6. Step 6: Final answer
    x = 3,286,816.09

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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.