Finding the Fourth Proportional to 19,965,636.09, 27,552,596.18 and 10,798,278.84
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Solution
The fourth proportional to 19,965,636.09, 27,552,596.18 and 10,798,278.84 is: 14,901,634.73
Step by Step Solution
- Step 1: Write the proportion equation
19,965,636.09 : 27,552,596.18 = 10,798,278.84 : x - Step 2: Convert to fraction form
19,965,636.09/27,552,596.18 = 10,798,278.84/x - Step 3: Cross multiply
19,965,636.09x = 27,552,596.18 × 10,798,278.84 - Step 4: Simplify right side
19,965,636.09x = 297,520,616,263,567.44 - Step 5: Solve for x
x = 297,520,616,263,567.44/19,965,636.09 - Step 6: Final answer
x = 14,901,634.73
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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.