Home / 11,715,921.48-16,166,740.79-6,488,792.71

Finding the Fourth Proportional to 11,715,921.48, 16,166,740.79 and 6,488,792.71

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Solution

The fourth proportional to 11,715,921.48, 16,166,740.79 and 6,488,792.71 is: 8,953,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715,921.48 : 16,166,740.79 = 6,488,792.71 : x
  2. Step 2: Convert to fraction form
    11,715,921.48/16,166,740.79 = 6,488,792.71/x
  3. Step 3: Cross multiply
    11,715,921.48x = 16,166,740.79 × 6,488,792.71
  4. Step 4: Simplify right side
    11,715,921.48x = 104,902,629,790,722.62
  5. Step 5: Solve for x
    x = 104,902,629,790,722.62/11,715,921.48
  6. Step 6: Final answer
    x = 8,953,852.24

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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.