Finding the Fourth Proportional to 17,792,316.20, 26,688,474.30 and 10,611,957.80
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Solution
The fourth proportional to 17,792,316.20, 26,688,474.30 and 10,611,957.80 is: 15,917,936.70
Step by Step Solution
- Step 1: Write the proportion equation
17,792,316.20 : 26,688,474.30 = 10,611,957.80 : x - Step 2: Convert to fraction form
17,792,316.20/26,688,474.30 = 10,611,957.80/x - Step 3: Cross multiply
17,792,316.20x = 26,688,474.30 × 10,611,957.80 - Step 4: Simplify right side
17,792,316.20x = 283,216,963,017,984.56 - Step 5: Solve for x
x = 283,216,963,017,984.56/17,792,316.20 - Step 6: Final answer
x = 15,917,936.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.