Home / 13,691,137.93-18,893,051.08-7,494,997.23

Finding the Fourth Proportional to 13,691,137.93, 18,893,051.08 and 7,494,997.23

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Solution

The fourth proportional to 13,691,137.93, 18,893,051.08 and 7,494,997.23 is: 10,342,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,137.93 : 18,893,051.08 = 7,494,997.23 : x
  2. Step 2: Convert to fraction form
    13,691,137.93/18,893,051.08 = 7,494,997.23/x
  3. Step 3: Cross multiply
    13,691,137.93x = 18,893,051.08 × 7,494,997.23
  4. Step 4: Simplify right side
    13,691,137.93x = 141,603,365,492,111.03
  5. Step 5: Solve for x
    x = 141,603,365,492,111.03/13,691,137.93
  6. Step 6: Final answer
    x = 10,342,702.43

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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.