Finding the Fourth Proportional to 10,218,641.74, 15,310,611.18 and 6,166,615.18
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Solution
The fourth proportional to 10,218,641.74, 15,310,611.18 and 6,166,615.18 is: 9,239,451.75
Step by Step Solution
- Step 1: Write the proportion equation
10,218,641.74 : 15,310,611.18 = 6,166,615.18 : x - Step 2: Convert to fraction form
10,218,641.74/15,310,611.18 = 6,166,615.18/x - Step 3: Cross multiply
10,218,641.74x = 15,310,611.18 × 6,166,615.18 - Step 4: Simplify right side
10,218,641.74x = 94,414,647,317,665.70 - Step 5: Solve for x
x = 94,414,647,317,665.70/10,218,641.74 - Step 6: Final answer
x = 9,239,451.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.