Home / 13,707,121.56-18,924,426.18-8,820,833.88

Finding the Fourth Proportional to 13,707,121.56, 18,924,426.18 and 8,820,833.88

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Solution

The fourth proportional to 13,707,121.56, 18,924,426.18 and 8,820,833.88 is: 12,178,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707,121.56 : 18,924,426.18 = 8,820,833.88 : x
  2. Step 2: Convert to fraction form
    13,707,121.56/18,924,426.18 = 8,820,833.88/x
  3. Step 3: Cross multiply
    13,707,121.56x = 18,924,426.18 × 8,820,833.88
  4. Step 4: Simplify right side
    13,707,121.56x = 166,929,219,608,103
  5. Step 5: Solve for x
    x = 166,929,219,608,103/13,707,121.56
  6. Step 6: Final answer
    x = 12,178,284.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.