Home / 8,481,945.87-11,709,150.80-5,221,555.34

Finding the Fourth Proportional to 8,481,945.87, 11,709,150.80 and 5,221,555.34

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Solution

The fourth proportional to 8,481,945.87, 11,709,150.80 and 5,221,555.34 is: 7,208,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481,945.87 : 11,709,150.80 = 5,221,555.34 : x
  2. Step 2: Convert to fraction form
    8,481,945.87/11,709,150.80 = 5,221,555.34/x
  3. Step 3: Cross multiply
    8,481,945.87x = 11,709,150.80 × 5,221,555.34
  4. Step 4: Simplify right side
    8,481,945.87x = 61,139,978,801,951.74
  5. Step 5: Solve for x
    x = 61,139,978,801,951.74/8,481,945.87
  6. Step 6: Final answer
    x = 7,208,249.11

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1.5x scale

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.