Finding the Fourth Proportional to 18,192,807.15, 27,289,210.73 and 5,411,651.10
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Solution
The fourth proportional to 18,192,807.15, 27,289,210.73 and 5,411,651.10 is: 8,117,476.65
Step by Step Solution
- Step 1: Write the proportion equation
18,192,807.15 : 27,289,210.73 = 5,411,651.10 : x - Step 2: Convert to fraction form
18,192,807.15/27,289,210.73 = 5,411,651.10/x - Step 3: Cross multiply
18,192,807.15x = 27,289,210.73 × 5,411,651.10 - Step 4: Simplify right side
18,192,807.15x = 147,679,687,238,078.03 - Step 5: Solve for x
x = 147,679,687,238,078.03/18,192,807.15 - Step 6: Final answer
x = 8,117,476.65
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1.5x scale
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.