Home / 13,666,087.84-18,862,084.56-11,372,012.32

Finding the Fourth Proportional to 13,666,087.84, 18,862,084.56 and 11,372,012.32

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Solution

The fourth proportional to 13,666,087.84, 18,862,084.56 and 11,372,012.32 is: 15,695,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,087.84 : 18,862,084.56 = 11,372,012.32 : x
  2. Step 2: Convert to fraction form
    13,666,087.84/18,862,084.56 = 11,372,012.32/x
  3. Step 3: Cross multiply
    13,666,087.84x = 18,862,084.56 × 11,372,012.32
  4. Step 4: Simplify right side
    13,666,087.84x = 214,499,857,997,201.78
  5. Step 5: Solve for x
    x = 214,499,857,997,201.78/13,666,087.84
  6. Step 6: Final answer
    x = 15,695,776.33

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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.