Finding the Fourth Proportional to 8,545,448.51, 11,792,718.06 and 4,625,203.96
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Solution
The fourth proportional to 8,545,448.51, 11,792,718.06 and 4,625,203.96 is: 6,382,780.99
Step by Step Solution
- Step 1: Write the proportion equation
8,545,448.51 : 11,792,718.06 = 4,625,203.96 : x - Step 2: Convert to fraction form
8,545,448.51/11,792,718.06 = 4,625,203.96/x - Step 3: Cross multiply
8,545,448.51x = 11,792,718.06 × 4,625,203.96 - Step 4: Simplify right side
8,545,448.51x = 54,543,726,270,275.52 - Step 5: Solve for x
x = 54,543,726,270,275.52/8,545,448.51 - Step 6: Final answer
x = 6,382,780.99
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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.