Home / 15,638,496.84-21,568,330.62-11,007,611.82

Finding the Fourth Proportional to 15,638,496.84, 21,568,330.62 and 11,007,611.82

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Solution

The fourth proportional to 15,638,496.84, 21,568,330.62 and 11,007,611.82 is: 15,181,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638,496.84 : 21,568,330.62 = 11,007,611.82 : x
  2. Step 2: Convert to fraction form
    15,638,496.84/21,568,330.62 = 11,007,611.82/x
  3. Step 3: Cross multiply
    15,638,496.84x = 21,568,330.62 × 11,007,611.82
  4. Step 4: Simplify right side
    15,638,496.84x = 237,415,811,070,379.94
  5. Step 5: Solve for x
    x = 237,415,811,070,379.94/15,638,496.84
  6. Step 6: Final answer
    x = 15,181,498.16

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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.