Finding the Fourth Proportional to 8,260,631.66, 11,397,185.71 and 4,951,718.60
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Solution
The fourth proportional to 8,260,631.66, 11,397,185.71 and 4,951,718.60 is: 6,831,881.48
Step by Step Solution
- Step 1: Write the proportion equation
8,260,631.66 : 11,397,185.71 = 4,951,718.60 : x - Step 2: Convert to fraction form
8,260,631.66/11,397,185.71 = 4,951,718.60/x - Step 3: Cross multiply
8,260,631.66x = 11,397,185.71 × 4,951,718.60 - Step 4: Simplify right side
8,260,631.66x = 56,435,656,443,102.61 - Step 5: Solve for x
x = 56,435,656,443,102.61/8,260,631.66 - Step 6: Final answer
x = 6,831,881.48
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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.