Finding the Fourth Proportional to 10,487,047.10, 15,703,998.60 and 8,361,283.10
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Solution
The fourth proportional to 10,487,047.10, 15,703,998.60 and 8,361,283.10 is: 12,520,738.85
Step by Step Solution
- Step 1: Write the proportion equation
10,487,047.10 : 15,703,998.60 = 8,361,283.10 : x - Step 2: Convert to fraction form
10,487,047.10/15,703,998.60 = 8,361,283.10/x - Step 3: Cross multiply
10,487,047.10x = 15,703,998.60 × 8,361,283.10 - Step 4: Simplify right side
10,487,047.10x = 131,305,578,096,603.66 - Step 5: Solve for x
x = 131,305,578,096,603.66/10,487,047.10 - Step 6: Final answer
x = 12,520,738.85
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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.