Finding the Fourth Proportional to 11,335,848.40, 15,643,343.46 and 6,179,096.80
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Solution
The fourth proportional to 11,335,848.40, 15,643,343.46 and 6,179,096.80 is: 8,527,084.18
Step by Step Solution
- Step 1: Write the proportion equation
11,335,848.40 : 15,643,343.46 = 6,179,096.80 : x - Step 2: Convert to fraction form
11,335,848.40/15,643,343.46 = 6,179,096.80/x - Step 3: Cross multiply
11,335,848.40x = 15,643,343.46 × 6,179,096.80 - Step 4: Simplify right side
11,335,848.40x = 96,661,733,514,986.94 - Step 5: Solve for x
x = 96,661,733,514,986.94/11,335,848.40 - Step 6: Final answer
x = 8,527,084.18
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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.