Home / 11,939,255.87-16,476,228.89-6,782,900.36

Finding the Fourth Proportional to 11,939,255.87, 16,476,228.89 and 6,782,900.36

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Solution

The fourth proportional to 11,939,255.87, 16,476,228.89 and 6,782,900.36 is: 9,360,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939,255.87 : 16,476,228.89 = 6,782,900.36 : x
  2. Step 2: Convert to fraction form
    11,939,255.87/16,476,228.89 = 6,782,900.36/x
  3. Step 3: Cross multiply
    11,939,255.87x = 16,476,228.89 × 6,782,900.36
  4. Step 4: Simplify right side
    11,939,255.87x = 111,756,618,778,563.64
  5. Step 5: Solve for x
    x = 111,756,618,778,563.64/11,939,255.87
  6. Step 6: Final answer
    x = 9,360,434.19

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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.