Home / 13,755,928.80-20,633,893.20-12,433,231.20

Finding the Fourth Proportional to 13,755,928.80, 20,633,893.20 and 12,433,231.20

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Solution

The fourth proportional to 13,755,928.80, 20,633,893.20 and 12,433,231.20 is: 18,649,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,928.80 : 20,633,893.20 = 12,433,231.20 : x
  2. Step 2: Convert to fraction form
    13,755,928.80/20,633,893.20 = 12,433,231.20/x
  3. Step 3: Cross multiply
    13,755,928.80x = 20,633,893.20 × 12,433,231.20
  4. Step 4: Simplify right side
    13,755,928.80x = 256,545,964,711,707.81
  5. Step 5: Solve for x
    x = 256,545,964,711,707.81/13,755,928.80
  6. Step 6: Final answer
    x = 18,649,846.80

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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.