Home / 7,854,165.20-11,781,247.80-6,814,902.80

Finding the Fourth Proportional to 7,854,165.20, 11,781,247.80 and 6,814,902.80

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Solution

The fourth proportional to 7,854,165.20, 11,781,247.80 and 6,814,902.80 is: 10,222,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854,165.20 : 11,781,247.80 = 6,814,902.80 : x
  2. Step 2: Convert to fraction form
    7,854,165.20/11,781,247.80 = 6,814,902.80/x
  3. Step 3: Cross multiply
    7,854,165.20x = 11,781,247.80 × 6,814,902.80
  4. Step 4: Simplify right side
    7,854,165.20x = 80,288,058,619,713.84
  5. Step 5: Solve for x
    x = 80,288,058,619,713.84/7,854,165.20
  6. Step 6: Final answer
    x = 10,222,354.20

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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.