Home / 13,317,509.10-18,373,081.50-8,088,544.83

Finding the Fourth Proportional to 13,317,509.10, 18,373,081.50 and 8,088,544.83

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Solution

The fourth proportional to 13,317,509.10, 18,373,081.50 and 8,088,544.83 is: 11,159,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,509.10 : 18,373,081.50 = 8,088,544.83 : x
  2. Step 2: Convert to fraction form
    13,317,509.10/18,373,081.50 = 8,088,544.83/x
  3. Step 3: Cross multiply
    13,317,509.10x = 18,373,081.50 × 8,088,544.83
  4. Step 4: Simplify right side
    13,317,509.10x = 148,611,493,377,993.66
  5. Step 5: Solve for x
    x = 148,611,493,377,993.66/13,317,509.10
  6. Step 6: Final answer
    x = 11,159,105.83

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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.