Home / 12,083,713.56-18,128,233.80-5,261,381.64

Finding the Fourth Proportional to 12,083,713.56, 18,128,233.80 and 5,261,381.64

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Solution

The fourth proportional to 12,083,713.56, 18,128,233.80 and 5,261,381.64 is: 7,893,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,713.56 : 18,128,233.80 = 5,261,381.64 : x
  2. Step 2: Convert to fraction form
    12,083,713.56/18,128,233.80 = 5,261,381.64/x
  3. Step 3: Cross multiply
    12,083,713.56x = 18,128,233.80 × 5,261,381.64
  4. Step 4: Simplify right side
    12,083,713.56x = 95,379,556,480,947.44
  5. Step 5: Solve for x
    x = 95,379,556,480,947.44/12,083,713.56
  6. Step 6: Final answer
    x = 7,893,232.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.