Home / 13,343,716.44-18,413,832.87-7,232,013.72

Finding the Fourth Proportional to 13,343,716.44, 18,413,832.87 and 7,232,013.72

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Solution

The fourth proportional to 13,343,716.44, 18,413,832.87 and 7,232,013.72 is: 9,979,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343,716.44 : 18,413,832.87 = 7,232,013.72 : x
  2. Step 2: Convert to fraction form
    13,343,716.44/18,413,832.87 = 7,232,013.72/x
  3. Step 3: Cross multiply
    13,343,716.44x = 18,413,832.87 × 7,232,013.72
  4. Step 4: Simplify right side
    13,343,716.44x = 133,169,091,953,626.98
  5. Step 5: Solve for x
    x = 133,169,091,953,626.98/13,343,716.44
  6. Step 6: Final answer
    x = 9,979,910.21

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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.