Home / 35,474,769.52-48,945,917.39-20,782,537.67

Finding the Fourth Proportional to 35,474,769.52, 48,945,917.39 and 20,782,537.67

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Solution

The fourth proportional to 35,474,769.52, 48,945,917.39 and 20,782,537.67 is: 28,674,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474,769.52 : 48,945,917.39 = 20,782,537.67 : x
  2. Step 2: Convert to fraction form
    35,474,769.52/48,945,917.39 = 20,782,537.67/x
  3. Step 3: Cross multiply
    35,474,769.52x = 48,945,917.39 × 20,782,537.67
  4. Step 4: Simplify right side
    35,474,769.52x = 1,017,220,371,968,835.12
  5. Step 5: Solve for x
    x = 1,017,220,371,968,835.12/35,474,769.52
  6. Step 6: Final answer
    x = 28,674,474.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.