Home / 18,760,515.84-25,905,669.34-11,802,790.62

Finding the Fourth Proportional to 18,760,515.84, 25,905,669.34 and 11,802,790.62

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Solution

The fourth proportional to 18,760,515.84, 25,905,669.34 and 11,802,790.62 is: 16,298,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,515.84 : 25,905,669.34 = 11,802,790.62 : x
  2. Step 2: Convert to fraction form
    18,760,515.84/25,905,669.34 = 11,802,790.62/x
  3. Step 3: Cross multiply
    18,760,515.84x = 25,905,669.34 × 11,802,790.62
  4. Step 4: Simplify right side
    18,760,515.84x = 305,759,191,090,973.56
  5. Step 5: Solve for x
    x = 305,759,191,090,973.56/18,760,515.84
  6. Step 6: Final answer
    x = 16,298,016.20

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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.