Finding the Fourth Proportional to 11,241,857.52, 15,515,865.04 and 6,412,961.52
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Solution
The fourth proportional to 11,241,857.52, 15,515,865.04 and 6,412,961.52 is: 8,851,085.80
Step by Step Solution
- Step 1: Write the proportion equation
11,241,857.52 : 15,515,865.04 = 6,412,961.52 : x - Step 2: Convert to fraction form
11,241,857.52/15,515,865.04 = 6,412,961.52/x - Step 3: Cross multiply
11,241,857.52x = 15,515,865.04 × 6,412,961.52 - Step 4: Simplify right side
11,241,857.52x = 99,502,645,451,033.25 - Step 5: Solve for x
x = 99,502,645,451,033.25/11,241,857.52 - Step 6: Final answer
x = 8,851,085.80
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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.