Finding the Fourth Proportional to 29,612,736.63, 40,864,808.97 and 16,382,402.19
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Solution
The fourth proportional to 29,612,736.63, 40,864,808.97 and 16,382,402.19 is: 22,607,290.38
Step by Step Solution
- Step 1: Write the proportion equation
29,612,736.63 : 40,864,808.97 = 16,382,402.19 : x - Step 2: Convert to fraction form
29,612,736.63/40,864,808.97 = 16,382,402.19/x - Step 3: Cross multiply
29,612,736.63x = 40,864,808.97 × 16,382,402.19 - Step 4: Simplify right side
29,612,736.63x = 669,463,735,964,059.62 - Step 5: Solve for x
x = 669,463,735,964,059.62/29,612,736.63 - Step 6: Final answer
x = 22,607,290.38
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1.5x scale
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.