Home / 12,462,944.70-18,699,665.85-6,787,242.30

Finding the Fourth Proportional to 12,462,944.70, 18,699,665.85 and 6,787,242.30

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Solution

The fourth proportional to 12,462,944.70, 18,699,665.85 and 6,787,242.30 is: 10,183,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,944.70 : 18,699,665.85 = 6,787,242.30 : x
  2. Step 2: Convert to fraction form
    12,462,944.70/18,699,665.85 = 6,787,242.30/x
  3. Step 3: Cross multiply
    12,462,944.70x = 18,699,665.85 × 6,787,242.30
  4. Step 4: Simplify right side
    12,462,944.70x = 126,919,163,052,985.47
  5. Step 5: Solve for x
    x = 126,919,163,052,985.47/12,462,944.70
  6. Step 6: Final answer
    x = 10,183,721.91

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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.