Home / 12,529,566.80-18,781,908.60-5,786,219.60

Finding the Fourth Proportional to 12,529,566.80, 18,781,908.60 and 5,786,219.60

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Solution

The fourth proportional to 12,529,566.80, 18,781,908.60 and 5,786,219.60 is: 8,673,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,566.80 : 18,781,908.60 = 5,786,219.60 : x
  2. Step 2: Convert to fraction form
    12,529,566.80/18,781,908.60 = 5,786,219.60/x
  3. Step 3: Cross multiply
    12,529,566.80x = 18,781,908.60 × 5,786,219.60
  4. Step 4: Simplify right side
    12,529,566.80x = 108,676,247,666,728.56
  5. Step 5: Solve for x
    x = 108,676,247,666,728.56/12,529,566.80
  6. Step 6: Final answer
    x = 8,673,583.80

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1.5x scale

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.