Finding the Fourth Proportional to 19,859,232.75, 29,788,850.75 and 6,396,060.75
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Solution
The fourth proportional to 19,859,232.75, 29,788,850.75 and 6,396,060.75 is: 9,594,091.65
Step by Step Solution
- Step 1: Write the proportion equation
19,859,232.75 : 29,788,850.75 = 6,396,060.75 : x - Step 2: Convert to fraction form
19,859,232.75/29,788,850.75 = 6,396,060.75/x - Step 3: Cross multiply
19,859,232.75x = 29,788,850.75 × 6,396,060.75 - Step 4: Simplify right side
19,859,232.75x = 190,531,299,037,702.75 - Step 5: Solve for x
x = 190,531,299,037,702.75/19,859,232.75 - Step 6: Final answer
x = 9,594,091.65
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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.