Finding the Fourth Proportional to 11,183,229.81, 15,432,949.06 and 6,288,409.07
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Solution
The fourth proportional to 11,183,229.81, 15,432,949.06 and 6,288,409.07 is: 8,678,056.21
Step by Step Solution
- Step 1: Write the proportion equation
11,183,229.81 : 15,432,949.06 = 6,288,409.07 : x - Step 2: Convert to fraction form
11,183,229.81/15,432,949.06 = 6,288,409.07/x - Step 3: Cross multiply
11,183,229.81x = 15,432,949.06 × 6,288,409.07 - Step 4: Simplify right side
11,183,229.81x = 97,048,696,868,613.31 - Step 5: Solve for x
x = 97,048,696,868,613.31/11,183,229.81 - Step 6: Final answer
x = 8,678,056.21
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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.