Finding the Fourth Proportional to 14,929,546.82, 20,602,724.09 and 8,403,172.49
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Solution
The fourth proportional to 14,929,546.82, 20,602,724.09 and 8,403,172.49 is: 11,596,349.60
Step by Step Solution
- Step 1: Write the proportion equation
14,929,546.82 : 20,602,724.09 = 8,403,172.49 : x - Step 2: Convert to fraction form
14,929,546.82/20,602,724.09 = 8,403,172.49/x - Step 3: Cross multiply
14,929,546.82x = 20,602,724.09 × 8,403,172.49 - Step 4: Simplify right side
14,929,546.82x = 173,128,244,301,639.22 - Step 5: Solve for x
x = 173,128,244,301,639.22/14,929,546.82 - Step 6: Final answer
x = 11,596,349.60
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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.