Finding the Fourth Proportional to 19,531,517.04, 29,291,291.28 and 13,504,975.92
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Solution
The fourth proportional to 19,531,517.04, 29,291,291.28 and 13,504,975.92 is: 20,253,326.08
Step by Step Solution
- Step 1: Write the proportion equation
19,531,517.04 : 29,291,291.28 = 13,504,975.92 : x - Step 2: Convert to fraction form
19,531,517.04/29,291,291.28 = 13,504,975.92/x - Step 3: Cross multiply
19,531,517.04x = 29,291,291.28 × 13,504,975.92 - Step 4: Simplify right side
19,531,517.04x = 395,578,183,402,106 - Step 5: Solve for x
x = 395,578,183,402,106/19,531,517.04 - Step 6: Final answer
x = 20,253,326.08
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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.