Finding the Fourth Proportional to 10,509,549.20, 14,503,186.93 and 5,863,334.96
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Solution
The fourth proportional to 10,509,549.20, 14,503,186.93 and 5,863,334.96 is: 8,091,407.28
Step by Step Solution
- Step 1: Write the proportion equation
10,509,549.20 : 14,503,186.93 = 5,863,334.96 : x - Step 2: Convert to fraction form
10,509,549.20/14,503,186.93 = 5,863,334.96/x - Step 3: Cross multiply
10,509,549.20x = 14,503,186.93 × 5,863,334.96 - Step 4: Simplify right side
10,509,549.20x = 85,037,042,958,084.08 - Step 5: Solve for x
x = 85,037,042,958,084.08/10,509,549.20 - Step 6: Final answer
x = 8,091,407.28
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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.