Home / 18,603,359.15-25,675,427.91-13,393,611.45

Finding the Fourth Proportional to 18,603,359.15, 25,675,427.91 and 13,393,611.45

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Solution

The fourth proportional to 18,603,359.15, 25,675,427.91 and 13,393,611.45 is: 18,485,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603,359.15 : 25,675,427.91 = 13,393,611.45 : x
  2. Step 2: Convert to fraction form
    18,603,359.15/25,675,427.91 = 13,393,611.45/x
  3. Step 3: Cross multiply
    18,603,359.15x = 25,675,427.91 × 13,393,611.45
  4. Step 4: Simplify right side
    18,603,359.15x = 343,886,705,239,025.56
  5. Step 5: Solve for x
    x = 343,886,705,239,025.56/18,603,359.15
  6. Step 6: Final answer
    x = 18,485,194.13

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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.