Finding the Fourth Proportional to 9,520,021.27, 13,137,260.88 and 5,169,007.99
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Solution
The fourth proportional to 9,520,021.27, 13,137,260.88 and 5,169,007.99 is: 7,133,030.96
Step by Step Solution
- Step 1: Write the proportion equation
9,520,021.27 : 13,137,260.88 = 5,169,007.99 : x - Step 2: Convert to fraction form
9,520,021.27/13,137,260.88 = 5,169,007.99/x - Step 3: Cross multiply
9,520,021.27x = 13,137,260.88 × 5,169,007.99 - Step 4: Simplify right side
9,520,021.27x = 67,906,606,455,434.44 - Step 5: Solve for x
x = 67,906,606,455,434.44/9,520,021.27 - Step 6: Final answer
x = 7,133,030.96
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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.