Finding the Fourth Proportional to 7,882,290.42, 10,877,562.63 and 4,444,532.16
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Solution
The fourth proportional to 7,882,290.42, 10,877,562.63 and 4,444,532.16 is: 6,133,455.42
Step by Step Solution
- Step 1: Write the proportion equation
7,882,290.42 : 10,877,562.63 = 4,444,532.16 : x - Step 2: Convert to fraction form
7,882,290.42/10,877,562.63 = 4,444,532.16/x - Step 3: Cross multiply
7,882,290.42x = 10,877,562.63 × 4,444,532.16 - Step 4: Simplify right side
7,882,290.42x = 48,345,676,931,449.19 - Step 5: Solve for x
x = 48,345,676,931,449.19/7,882,290.42 - Step 6: Final answer
x = 6,133,455.42
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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.