Home / 9,072,138.60-13,599,350.55-8,115,544.80

Finding the Fourth Proportional to 9,072,138.60, 13,599,350.55 and 8,115,544.80

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Solution

The fourth proportional to 9,072,138.60, 13,599,350.55 and 8,115,544.80 is: 12,165,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,138.60 : 13,599,350.55 = 8,115,544.80 : x
  2. Step 2: Convert to fraction form
    9,072,138.60/13,599,350.55 = 8,115,544.80/x
  3. Step 3: Cross multiply
    9,072,138.60x = 13,599,350.55 × 8,115,544.80
  4. Step 4: Simplify right side
    9,072,138.60x = 110,366,138,639,429.64
  5. Step 5: Solve for x
    x = 110,366,138,639,429.64/9,072,138.60
  6. Step 6: Final answer
    x = 12,165,393.80

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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.