Finding the Fourth Proportional to 29,133,632.82, 40,204,415.70 and 16,080,895.11
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Solution
The fourth proportional to 29,133,632.82, 40,204,415.70 and 16,080,895.11 is: 22,191,636.58
Step by Step Solution
- Step 1: Write the proportion equation
29,133,632.82 : 40,204,415.70 = 16,080,895.11 : x - Step 2: Convert to fraction form
29,133,632.82/40,204,415.70 = 16,080,895.11/x - Step 3: Cross multiply
29,133,632.82x = 40,204,415.70 × 16,080,895.11 - Step 4: Simplify right side
29,133,632.82x = 646,522,991,830,537.25 - Step 5: Solve for x
x = 646,522,991,830,537.25/29,133,632.82 - Step 6: Final answer
x = 22,191,636.58
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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.