Home / 15,338,998.22-21,168,260.55-8,463,923.18

Finding the Fourth Proportional to 15,338,998.22, 21,168,260.55 and 8,463,923.18

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Solution

The fourth proportional to 15,338,998.22, 21,168,260.55 and 8,463,923.18 is: 11,680,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,998.22 : 21,168,260.55 = 8,463,923.18 : x
  2. Step 2: Convert to fraction form
    15,338,998.22/21,168,260.55 = 8,463,923.18/x
  3. Step 3: Cross multiply
    15,338,998.22x = 21,168,260.55 × 8,463,923.18
  4. Step 4: Simplify right side
    15,338,998.22x = 179,166,531,149,424.56
  5. Step 5: Solve for x
    x = 179,166,531,149,424.56/15,338,998.22
  6. Step 6: Final answer
    x = 11,680,458.44

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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.