Finding the Fourth Proportional to 11,469,622.40, 15,827,953.60 and 6,312,872.96
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Solution
The fourth proportional to 11,469,622.40, 15,827,953.60 and 6,312,872.96 is: 8,711,695.71
Step by Step Solution
- Step 1: Write the proportion equation
11,469,622.40 : 15,827,953.60 = 6,312,872.96 : x - Step 2: Convert to fraction form
11,469,622.40/15,827,953.60 = 6,312,872.96/x - Step 3: Cross multiply
11,469,622.40x = 15,827,953.60 × 6,312,872.96 - Step 4: Simplify right side
11,469,622.40x = 99,919,860,293,574.66 - Step 5: Solve for x
x = 99,919,860,293,574.66/11,469,622.40 - Step 6: Final answer
x = 8,711,695.71
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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.