Home / 14,783,993.40-20,401,695.27-8,257,714.86

Finding the Fourth Proportional to 14,783,993.40, 20,401,695.27 and 8,257,714.86

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Solution

The fourth proportional to 14,783,993.40, 20,401,695.27 and 8,257,714.86 is: 11,395,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783,993.40 : 20,401,695.27 = 8,257,714.86 : x
  2. Step 2: Convert to fraction form
    14,783,993.40/20,401,695.27 = 8,257,714.86/x
  3. Step 3: Cross multiply
    14,783,993.40x = 20,401,695.27 × 8,257,714.86
  4. Step 4: Simplify right side
    14,783,993.40x = 168,471,382,200,270.72
  5. Step 5: Solve for x
    x = 168,471,382,200,270.72/14,783,993.40
  6. Step 6: Final answer
    x = 11,395,526.07

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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.