Home / 15,084,424.52-20,816,522.60-8,468,093.42

Finding the Fourth Proportional to 15,084,424.52, 20,816,522.60 and 8,468,093.42

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Solution

The fourth proportional to 15,084,424.52, 20,816,522.60 and 8,468,093.42 is: 11,685,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084,424.52 : 20,816,522.60 = 8,468,093.42 : x
  2. Step 2: Convert to fraction form
    15,084,424.52/20,816,522.60 = 8,468,093.42/x
  3. Step 3: Cross multiply
    15,084,424.52x = 20,816,522.60 × 8,468,093.42
  4. Step 4: Simplify right side
    15,084,424.52x = 176,276,257,909,918.19
  5. Step 5: Solve for x
    x = 176,276,257,909,918.19/15,084,424.52
  6. Step 6: Final answer
    x = 11,685,978.32

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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.