Finding the Fourth Proportional to 7,882,268.41, 10,877,608.64 and 4,397,577.78
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Solution
The fourth proportional to 7,882,268.41, 10,877,608.64 and 4,397,577.78 is: 6,068,700.99
Step by Step Solution
- Step 1: Write the proportion equation
7,882,268.41 : 10,877,608.64 = 4,397,577.78 : x - Step 2: Convert to fraction form
7,882,268.41/10,877,608.64 = 4,397,577.78/x - Step 3: Cross multiply
7,882,268.41x = 10,877,608.64 × 4,397,577.78 - Step 4: Simplify right side
7,882,268.41x = 47,835,130,106,585 - Step 5: Solve for x
x = 47,835,130,106,585/7,882,268.41 - Step 6: Final answer
x = 6,068,700.99
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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.