Finding the Fourth Proportional to 11,757,621.30, 16,226,540.62 and 6,531,646.08
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Solution
The fourth proportional to 11,757,621.30, 16,226,540.62 and 6,531,646.08 is: 9,014,240.02
Step by Step Solution
- Step 1: Write the proportion equation
11,757,621.30 : 16,226,540.62 = 6,531,646.08 : x - Step 2: Convert to fraction form
11,757,621.30/16,226,540.62 = 6,531,646.08/x - Step 3: Cross multiply
11,757,621.30x = 16,226,540.62 × 6,531,646.08 - Step 4: Simplify right side
11,757,621.30x = 105,986,020,432,583.77 - Step 5: Solve for x
x = 105,986,020,432,583.77/11,757,621.30 - Step 6: Final answer
x = 9,014,240.02
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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.