Home / 13,412,625.63-18,511,838.94-7,905,679.03

Finding the Fourth Proportional to 13,412,625.63, 18,511,838.94 and 7,905,679.03

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Solution

The fourth proportional to 13,412,625.63, 18,511,838.94 and 7,905,679.03 is: 10,911,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,625.63 : 18,511,838.94 = 7,905,679.03 : x
  2. Step 2: Convert to fraction form
    13,412,625.63/18,511,838.94 = 7,905,679.03/x
  3. Step 3: Cross multiply
    13,412,625.63x = 18,511,838.94 × 7,905,679.03
  4. Step 4: Simplify right side
    13,412,625.63x = 146,348,656,914,695.44
  5. Step 5: Solve for x
    x = 146,348,656,914,695.44/13,412,625.63
  6. Step 6: Final answer
    x = 10,911,260.85

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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.