Finding the Fourth Proportional to 11,979,510.23, 16,531,724.84 and 6,823,351.55
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Solution
The fourth proportional to 11,979,510.23, 16,531,724.84 and 6,823,351.55 is: 9,416,225.54
Step by Step Solution
- Step 1: Write the proportion equation
11,979,510.23 : 16,531,724.84 = 6,823,351.55 : x - Step 2: Convert to fraction form
11,979,510.23/16,531,724.84 = 6,823,351.55/x - Step 3: Cross multiply
11,979,510.23x = 16,531,724.84 × 6,823,351.55 - Step 4: Simplify right side
11,979,510.23x = 112,801,770,194,412.12 - Step 5: Solve for x
x = 112,801,770,194,412.12/11,979,510.23 - Step 6: Final answer
x = 9,416,225.54
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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.