Home / 11,902,387.20-16,425,100.80-6,470,016

Finding the Fourth Proportional to 11,902,387.20, 16,425,100.80 and 6,470,016

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Solution

The fourth proportional to 11,902,387.20, 16,425,100.80 and 6,470,016 is: 8,928,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902,387.20 : 16,425,100.80 = 6,470,016 : x
  2. Step 2: Convert to fraction form
    11,902,387.20/16,425,100.80 = 6,470,016/x
  3. Step 3: Cross multiply
    11,902,387.20x = 16,425,100.80 × 6,470,016
  4. Step 4: Simplify right side
    11,902,387.20x = 106,270,664,977,612.81
  5. Step 5: Solve for x
    x = 106,270,664,977,612.81/11,902,387.20
  6. Step 6: Final answer
    x = 8,928,516.88

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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.