Finding the Fourth Proportional to 14,365,616.06, 19,824,968.84 and 7,839,665.88
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Solution
The fourth proportional to 14,365,616.06, 19,824,968.84 and 7,839,665.88 is: 10,818,967.39
Step by Step Solution
- Step 1: Write the proportion equation
14,365,616.06 : 19,824,968.84 = 7,839,665.88 : x - Step 2: Convert to fraction form
14,365,616.06/19,824,968.84 = 7,839,665.88/x - Step 3: Cross multiply
14,365,616.06x = 19,824,968.84 × 7,839,665.88 - Step 4: Simplify right side
14,365,616.06x = 155,421,131,673,469.22 - Step 5: Solve for x
x = 155,421,131,673,469.22/14,365,616.06 - Step 6: Final answer
x = 10,818,967.39
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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.