Finding the Fourth Proportional to 10,207,647.90, 14,086,547.69 and 5,623,969.23
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Solution
The fourth proportional to 10,207,647.90, 14,086,547.69 and 5,623,969.23 is: 7,761,074.00
Step by Step Solution
- Step 1: Write the proportion equation
10,207,647.90 : 14,086,547.69 = 5,623,969.23 : x - Step 2: Convert to fraction form
10,207,647.90/14,086,547.69 = 5,623,969.23/x - Step 3: Cross multiply
10,207,647.90x = 14,086,547.69 × 5,623,969.23 - Step 4: Simplify right side
10,207,647.90x = 79,222,310,737,367.73 - Step 5: Solve for x
x = 79,222,310,737,367.73/10,207,647.90 - Step 6: Final answer
x = 7,761,074.00
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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.