Finding the Fourth Proportional to 11,889,861.39, 16,409,020.64 and 6,734,140.11
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Solution
The fourth proportional to 11,889,861.39, 16,409,020.64 and 6,734,140.11 is: 9,293,686.48
Step by Step Solution
- Step 1: Write the proportion equation
11,889,861.39 : 16,409,020.64 = 6,734,140.11 : x - Step 2: Convert to fraction form
11,889,861.39/16,409,020.64 = 6,734,140.11/x - Step 3: Cross multiply
11,889,861.39x = 16,409,020.64 × 6,734,140.11 - Step 4: Simplify right side
11,889,861.39x = 110,500,644,057,641.88 - Step 5: Solve for x
x = 110,500,644,057,641.88/11,889,861.39 - Step 6: Final answer
x = 9,293,686.48
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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.