Home / 11,379,801.56-15,721,809.39-9,541,409.36

Finding the Fourth Proportional to 11,379,801.56, 15,721,809.39 and 9,541,409.36

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Solution

The fourth proportional to 11,379,801.56, 15,721,809.39 and 9,541,409.36 is: 13,181,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379,801.56 : 15,721,809.39 = 9,541,409.36 : x
  2. Step 2: Convert to fraction form
    11,379,801.56/15,721,809.39 = 9,541,409.36/x
  3. Step 3: Cross multiply
    11,379,801.56x = 15,721,809.39 × 9,541,409.36
  4. Step 4: Simplify right side
    11,379,801.56x = 150,008,219,269,881.88
  5. Step 5: Solve for x
    x = 150,008,219,269,881.88/11,379,801.56
  6. Step 6: Final answer
    x = 13,181,971.45

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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.