Finding the Fourth Proportional to 14,378,397.84, 21,561,600.60 and 5,852,946.96
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Solution
The fourth proportional to 14,378,397.84, 21,561,600.60 and 5,852,946.96 is: 8,776,979.61
Step by Step Solution
- Step 1: Write the proportion equation
14,378,397.84 : 21,561,600.60 = 5,852,946.96 : x - Step 2: Convert to fraction form
14,378,397.84/21,561,600.60 = 5,852,946.96/x - Step 3: Cross multiply
14,378,397.84x = 21,561,600.60 × 5,852,946.96 - Step 4: Simplify right side
14,378,397.84x = 126,198,904,684,504.19 - Step 5: Solve for x
x = 126,198,904,684,504.19/14,378,397.84 - Step 6: Final answer
x = 8,776,979.61
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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.