Finding the Fourth Proportional to 8,545,453.68, 11,792,725.20 and 4,625,209.12
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Solution
The fourth proportional to 8,545,453.68, 11,792,725.20 and 4,625,209.12 is: 6,382,788.11
Step by Step Solution
- Step 1: Write the proportion equation
8,545,453.68 : 11,792,725.20 = 4,625,209.12 : x - Step 2: Convert to fraction form
8,545,453.68/11,792,725.20 = 4,625,209.12/x - Step 3: Cross multiply
8,545,453.68x = 11,792,725.20 × 4,625,209.12 - Step 4: Simplify right side
8,545,453.68x = 54,543,820,144,693.82 - Step 5: Solve for x
x = 54,543,820,144,693.82/8,545,453.68 - Step 6: Final answer
x = 6,382,788.11
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1.5x scale
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.