Home / 8,132,072.30-12,198,038.78-2,066,821.46

Finding the Fourth Proportional to 8,132,072.30, 12,198,038.78 and 2,066,821.46

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Solution

The fourth proportional to 8,132,072.30, 12,198,038.78 and 2,066,821.46 is: 3,100,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132,072.30 : 12,198,038.78 = 2,066,821.46 : x
  2. Step 2: Convert to fraction form
    8,132,072.30/12,198,038.78 = 2,066,821.46/x
  3. Step 3: Cross multiply
    8,132,072.30x = 12,198,038.78 × 2,066,821.46
  4. Step 4: Simplify right side
    8,132,072.30x = 25,211,168,320,416.22
  5. Step 5: Solve for x
    x = 25,211,168,320,416.22/8,132,072.30
  6. Step 6: Final answer
    x = 3,100,214.48

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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.