Finding the Fourth Proportional to 11,856,549.13, 16,362,048.73 and 6,424,041.13
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Solution
The fourth proportional to 11,856,549.13, 16,362,048.73 and 6,424,041.13 is: 8,865,182.68
Step by Step Solution
- Step 1: Write the proportion equation
11,856,549.13 : 16,362,048.73 = 6,424,041.13 : x - Step 2: Convert to fraction form
11,856,549.13/16,362,048.73 = 6,424,041.13/x - Step 3: Cross multiply
11,856,549.13x = 16,362,048.73 × 6,424,041.13 - Step 4: Simplify right side
11,856,549.13x = 105,110,474,012,584.27 - Step 5: Solve for x
x = 105,110,474,012,584.27/11,856,549.13 - Step 6: Final answer
x = 8,865,182.68
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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.