Home / 13,475,512.10-20,215,892.55-3,891,203.30

Finding the Fourth Proportional to 13,475,512.10, 20,215,892.55 and 3,891,203.30

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Solution

The fourth proportional to 13,475,512.10, 20,215,892.55 and 3,891,203.30 is: 5,837,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,512.10 : 20,215,892.55 = 3,891,203.30 : x
  2. Step 2: Convert to fraction form
    13,475,512.10/20,215,892.55 = 3,891,203.30/x
  3. Step 3: Cross multiply
    13,475,512.10x = 20,215,892.55 × 3,891,203.30
  4. Step 4: Simplify right side
    13,475,512.10x = 78,664,147,803,005.42
  5. Step 5: Solve for x
    x = 78,664,147,803,005.42/13,475,512.10
  6. Step 6: Final answer
    x = 5,837,562.77

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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.