Finding the Fourth Proportional to 29,717,549.96, 40,992,843.94 and 18,686,841.80
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Solution
The fourth proportional to 29,717,549.96, 40,992,843.94 and 18,686,841.80 is: 25,776,916.02
Step by Step Solution
- Step 1: Write the proportion equation
29,717,549.96 : 40,992,843.94 = 18,686,841.80 : x - Step 2: Convert to fraction form
29,717,549.96/40,992,843.94 = 18,686,841.80/x - Step 3: Cross multiply
29,717,549.96x = 40,992,843.94 × 18,686,841.80 - Step 4: Simplify right side
29,717,549.96x = 766,026,789,638,868.62 - Step 5: Solve for x
x = 766,026,789,638,868.62/29,717,549.96 - Step 6: Final answer
x = 25,776,916.02
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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.