Finding the Fourth Proportional to 7,792,757.47, 10,754,482.76 and 4,355,272.99
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Solution
The fourth proportional to 7,792,757.47, 10,754,482.76 and 4,355,272.99 is: 6,010,543.57
Step by Step Solution
- Step 1: Write the proportion equation
7,792,757.47 : 10,754,482.76 = 4,355,272.99 : x - Step 2: Convert to fraction form
7,792,757.47/10,754,482.76 = 4,355,272.99/x - Step 3: Cross multiply
7,792,757.47x = 10,754,482.76 × 4,355,272.99 - Step 4: Simplify right side
7,792,757.47x = 46,838,708,286,048.66 - Step 5: Solve for x
x = 46,838,708,286,048.66/7,792,757.47 - Step 6: Final answer
x = 6,010,543.57
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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.