Home / 13,665,044.61-18,857,765.70-7,470,118.44

Finding the Fourth Proportional to 13,665,044.61, 18,857,765.70 and 7,470,118.44

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Solution

The fourth proportional to 13,665,044.61, 18,857,765.70 and 7,470,118.44 is: 10,308,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,044.61 : 18,857,765.70 = 7,470,118.44 : x
  2. Step 2: Convert to fraction form
    13,665,044.61/18,857,765.70 = 7,470,118.44/x
  3. Step 3: Cross multiply
    13,665,044.61x = 18,857,765.70 × 7,470,118.44
  4. Step 4: Simplify right side
    13,665,044.61x = 140,869,743,292,769.50
  5. Step 5: Solve for x
    x = 140,869,743,292,769.50/13,665,044.61
  6. Step 6: Final answer
    x = 10,308,765.71

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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.