Finding the Fourth Proportional to 9,711,639.96, 13,402,060.92 and 5,360,725.08
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Solution
The fourth proportional to 9,711,639.96, 13,402,060.92 and 5,360,725.08 is: 7,397,799.38
Step by Step Solution
- Step 1: Write the proportion equation
9,711,639.96 : 13,402,060.92 = 5,360,725.08 : x - Step 2: Convert to fraction form
9,711,639.96/13,402,060.92 = 5,360,725.08/x - Step 3: Cross multiply
9,711,639.96x = 13,402,060.92 × 5,360,725.08 - Step 4: Simplify right side
9,711,639.96x = 71,844,764,097,531.88 - Step 5: Solve for x
x = 71,844,764,097,531.88/9,711,639.96 - Step 6: Final answer
x = 7,397,799.38
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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.