Finding the Fourth Proportional to 18,426,235.02, 27,643,396.08 and 5,647,700.94
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Solution
The fourth proportional to 18,426,235.02, 27,643,396.08 and 5,647,700.94 is: 8,472,790.77
Step by Step Solution
- Step 1: Write the proportion equation
18,426,235.02 : 27,643,396.08 = 5,647,700.94 : x - Step 2: Convert to fraction form
18,426,235.02/27,643,396.08 = 5,647,700.94/x - Step 3: Cross multiply
18,426,235.02x = 27,643,396.08 × 5,647,700.94 - Step 4: Simplify right side
18,426,235.02x = 156,121,634,025,808.31 - Step 5: Solve for x
x = 156,121,634,025,808.31/18,426,235.02 - Step 6: Final answer
x = 8,472,790.77
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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.