Finding the Fourth Proportional to 10,803,612.20, 16,195,280.70 and 4,076,546.60
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Solution
The fourth proportional to 10,803,612.20, 16,195,280.70 and 4,076,546.60 is: 6,110,994.66
Step by Step Solution
- Step 1: Write the proportion equation
10,803,612.20 : 16,195,280.70 = 4,076,546.60 : x - Step 2: Convert to fraction form
10,803,612.20/16,195,280.70 = 4,076,546.60/x - Step 3: Cross multiply
10,803,612.20x = 16,195,280.70 × 4,076,546.60 - Step 4: Simplify right side
10,803,612.20x = 66,020,816,473,630.62 - Step 5: Solve for x
x = 66,020,816,473,630.62/10,803,612.20 - Step 6: Final answer
x = 6,110,994.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.