Home / 13,505,183.57-18,639,508.40-8,001,657.00

Finding the Fourth Proportional to 13,505,183.57, 18,639,508.40 and 8,001,657.00

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Solution

The fourth proportional to 13,505,183.57, 18,639,508.40 and 8,001,657.00 is: 11,043,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,183.57 : 18,639,508.40 = 8,001,657.00 : x
  2. Step 2: Convert to fraction form
    13,505,183.57/18,639,508.40 = 8,001,657.00/x
  3. Step 3: Cross multiply
    13,505,183.57x = 18,639,508.40 × 8,001,657.00
  4. Step 4: Simplify right side
    13,505,183.57x = 149,146,952,755,512.34
  5. Step 5: Solve for x
    x = 149,146,952,755,512.34/13,505,183.57
  6. Step 6: Final answer
    x = 11,043,682.01

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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.