Home / 13,783,991.34-20,678,449.41-4,685,610.86

Finding the Fourth Proportional to 13,783,991.34, 20,678,449.41 and 4,685,610.86

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Solution

The fourth proportional to 13,783,991.34, 20,678,449.41 and 4,685,610.86 is: 7,029,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,991.34 : 20,678,449.41 = 4,685,610.86 : x
  2. Step 2: Convert to fraction form
    13,783,991.34/20,678,449.41 = 4,685,610.86/x
  3. Step 3: Cross multiply
    13,783,991.34x = 20,678,449.41 × 4,685,610.86
  4. Step 4: Simplify right side
    13,783,991.34x = 96,891,167,020,064.36
  5. Step 5: Solve for x
    x = 96,891,167,020,064.36/13,783,991.34
  6. Step 6: Final answer
    x = 7,029,253.33

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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.