Finding the Fourth Proportional to 7,942,047.80, 11,911,503.08 and 2,183,295.53
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Solution
The fourth proportional to 7,942,047.80, 11,911,503.08 and 2,183,295.53 is: 3,274,512.08
Step by Step Solution
- Step 1: Write the proportion equation
7,942,047.80 : 11,911,503.08 = 2,183,295.53 : x - Step 2: Convert to fraction form
7,942,047.80/11,911,503.08 = 2,183,295.53/x - Step 3: Cross multiply
7,942,047.80x = 11,911,503.08 × 2,183,295.53 - Step 4: Simplify right side
7,942,047.80x = 26,006,331,465,382.23 - Step 5: Solve for x
x = 26,006,331,465,382.23/7,942,047.80 - Step 6: Final answer
x = 3,274,512.08
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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.