Home / 8,148,451.40-12,204,014.70-4,154,697.80

Finding the Fourth Proportional to 8,148,451.40, 12,204,014.70 and 4,154,697.80

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Solution

The fourth proportional to 8,148,451.40, 12,204,014.70 and 4,154,697.80 is: 6,222,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,451.40 : 12,204,014.70 = 4,154,697.80 : x
  2. Step 2: Convert to fraction form
    8,148,451.40/12,204,014.70 = 4,154,697.80/x
  3. Step 3: Cross multiply
    8,148,451.40x = 12,204,014.70 × 4,154,697.80
  4. Step 4: Simplify right side
    8,148,451.40x = 50,703,993,025,257.66
  5. Step 5: Solve for x
    x = 50,703,993,025,257.66/8,148,451.40
  6. Step 6: Final answer
    x = 6,222,531.19

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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.