Home / 18,760,512.85-25,905,665.19-11,802,787.63

Finding the Fourth Proportional to 18,760,512.85, 25,905,665.19 and 11,802,787.63

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Solution

The fourth proportional to 18,760,512.85, 25,905,665.19 and 11,802,787.63 is: 16,298,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,512.85 : 25,905,665.19 = 11,802,787.63 : x
  2. Step 2: Convert to fraction form
    18,760,512.85/25,905,665.19 = 11,802,787.63/x
  3. Step 3: Cross multiply
    18,760,512.85x = 25,905,665.19 × 11,802,787.63
  4. Step 4: Simplify right side
    18,760,512.85x = 305,759,064,521,925.31
  5. Step 5: Solve for x
    x = 305,759,064,521,925.31/18,760,512.85
  6. Step 6: Final answer
    x = 16,298,012.06

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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.