Home / 8,629,119.20-12,943,678.80-8,097,240.80

Finding the Fourth Proportional to 8,629,119.20, 12,943,678.80 and 8,097,240.80

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Solution

The fourth proportional to 8,629,119.20, 12,943,678.80 and 8,097,240.80 is: 12,145,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,119.20 : 12,943,678.80 = 8,097,240.80 : x
  2. Step 2: Convert to fraction form
    8,629,119.20/12,943,678.80 = 8,097,240.80/x
  3. Step 3: Cross multiply
    8,629,119.20x = 12,943,678.80 × 8,097,240.80
  4. Step 4: Simplify right side
    8,629,119.20x = 104,808,084,081,455.05
  5. Step 5: Solve for x
    x = 104,808,084,081,455.05/8,629,119.20
  6. Step 6: Final answer
    x = 12,145,861.20

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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.