Finding the Fourth Proportional to 18,122,107.06, 27,169,583.10 and 10,931,964.94
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Solution
The fourth proportional to 18,122,107.06, 27,169,583.10 and 10,931,964.94 is: 16,389,756.94
Step by Step Solution
- Step 1: Write the proportion equation
18,122,107.06 : 27,169,583.10 = 10,931,964.94 : x - Step 2: Convert to fraction form
18,122,107.06/27,169,583.10 = 10,931,964.94/x - Step 3: Cross multiply
18,122,107.06x = 27,169,583.10 × 10,931,964.94 - Step 4: Simplify right side
18,122,107.06x = 297,016,929,883,616.50 - Step 5: Solve for x
x = 297,016,929,883,616.50/18,122,107.06 - Step 6: Final answer
x = 16,389,756.94
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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.