Finding the Fourth Proportional to 7,932,668.64, 10,943,349.12 and 5,752,429.44
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Solution
The fourth proportional to 7,932,668.64, 10,943,349.12 and 5,752,429.44 is: 7,935,645.18
Step by Step Solution
- Step 1: Write the proportion equation
7,932,668.64 : 10,943,349.12 = 5,752,429.44 : x - Step 2: Convert to fraction form
7,932,668.64/10,943,349.12 = 5,752,429.44/x - Step 3: Cross multiply
7,932,668.64x = 10,943,349.12 × 5,752,429.44 - Step 4: Simplify right side
7,932,668.64x = 62,950,843,650,086.09 - Step 5: Solve for x
x = 62,950,843,650,086.09/7,932,668.64 - Step 6: Final answer
x = 7,935,645.18
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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.