Finding the Fourth Proportional to 10,186,399.40, 14,057,497.12 and 5,602,841.08
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Solution
The fourth proportional to 10,186,399.40, 14,057,497.12 and 5,602,841.08 is: 7,732,066.97
Step by Step Solution
- Step 1: Write the proportion equation
10,186,399.40 : 14,057,497.12 = 5,602,841.08 : x - Step 2: Convert to fraction form
10,186,399.40/14,057,497.12 = 5,602,841.08/x - Step 3: Cross multiply
10,186,399.40x = 14,057,497.12 × 5,602,841.08 - Step 4: Simplify right side
10,186,399.40x = 78,761,922,345,917.69 - Step 5: Solve for x
x = 78,761,922,345,917.69/10,186,399.40 - Step 6: Final answer
x = 7,732,066.97
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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.