Finding the Fourth Proportional to 19,770,086.08, 29,657,571.36 and 6,987,954.88
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Solution
The fourth proportional to 19,770,086.08, 29,657,571.36 and 6,987,954.88 is: 10,482,795.56
Step by Step Solution
- Step 1: Write the proportion equation
19,770,086.08 : 29,657,571.36 = 6,987,954.88 : x - Step 2: Convert to fraction form
19,770,086.08/29,657,571.36 = 6,987,954.88/x - Step 3: Cross multiply
19,770,086.08x = 29,657,571.36 × 6,987,954.88 - Step 4: Simplify right side
19,770,086.08x = 207,245,770,514,060.22 - Step 5: Solve for x
x = 207,245,770,514,060.22/19,770,086.08 - Step 6: Final answer
x = 10,482,795.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.