Finding the Fourth Proportional to 14,351,731.69, 19,805,716.49 and 8,155,802.13
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Solution
The fourth proportional to 14,351,731.69, 19,805,716.49 and 8,155,802.13 is: 11,255,192.63
Step by Step Solution
- Step 1: Write the proportion equation
14,351,731.69 : 19,805,716.49 = 8,155,802.13 : x - Step 2: Convert to fraction form
14,351,731.69/19,805,716.49 = 8,155,802.13/x - Step 3: Cross multiply
14,351,731.69x = 19,805,716.49 × 8,155,802.13 - Step 4: Simplify right side
14,351,731.69x = 161,531,504,694,539.09 - Step 5: Solve for x
x = 161,531,504,694,539.09/14,351,731.69 - Step 6: Final answer
x = 11,255,192.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.