Finding the Fourth Proportional to 8,314,221.92, 11,474,594.28 and 6,916,314.08
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Solution
The fourth proportional to 8,314,221.92, 11,474,594.28 and 6,916,314.08 is: 9,545,318.70
Step by Step Solution
- Step 1: Write the proportion equation
8,314,221.92 : 11,474,594.28 = 6,916,314.08 : x - Step 2: Convert to fraction form
8,314,221.92/11,474,594.28 = 6,916,314.08/x - Step 3: Cross multiply
8,314,221.92x = 11,474,594.28 × 6,916,314.08 - Step 4: Simplify right side
8,314,221.92x = 79,361,897,981,051.45 - Step 5: Solve for x
x = 79,361,897,981,051.45/8,314,221.92 - Step 6: Final answer
x = 9,545,318.70
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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.