Home / 8,449,311.40-12,686,408.70-6,558,188.20

Finding the Fourth Proportional to 8,449,311.40, 12,686,408.70 and 6,558,188.20

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Solution

The fourth proportional to 8,449,311.40, 12,686,408.70 and 6,558,188.20 is: 9,846,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,311.40 : 12,686,408.70 = 6,558,188.20 : x
  2. Step 2: Convert to fraction form
    8,449,311.40/12,686,408.70 = 6,558,188.20/x
  3. Step 3: Cross multiply
    8,449,311.40x = 12,686,408.70 × 6,558,188.20
  4. Step 4: Simplify right side
    8,449,311.40x = 83,199,855,836,717.34
  5. Step 5: Solve for x
    x = 83,199,855,836,717.34/8,449,311.40
  6. Step 6: Final answer
    x = 9,846,939.22

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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.