Home / 8,615,845.70-11,891,893.18-5,355,123

Finding the Fourth Proportional to 8,615,845.70, 11,891,893.18 and 5,355,123

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Solution

The fourth proportional to 8,615,845.70, 11,891,893.18 and 5,355,123 is: 7,391,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,845.70 : 11,891,893.18 = 5,355,123 : x
  2. Step 2: Convert to fraction form
    8,615,845.70/11,891,893.18 = 5,355,123/x
  3. Step 3: Cross multiply
    8,615,845.70x = 11,891,893.18 × 5,355,123
  4. Step 4: Simplify right side
    8,615,845.70x = 63,682,550,681,761.14
  5. Step 5: Solve for x
    x = 63,682,550,681,761.14/8,615,845.70
  6. Step 6: Final answer
    x = 7,391,329.06

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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.