Finding the Fourth Proportional to 7,076,752.08, 10,619,239.48 and 2,977,770.96
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Solution
The fourth proportional to 7,076,752.08, 10,619,239.48 and 2,977,770.96 is: 4,468,386.43
Step by Step Solution
- Step 1: Write the proportion equation
7,076,752.08 : 10,619,239.48 = 2,977,770.96 : x - Step 2: Convert to fraction form
7,076,752.08/10,619,239.48 = 2,977,770.96/x - Step 3: Cross multiply
7,076,752.08x = 10,619,239.48 × 2,977,770.96 - Step 4: Simplify right side
7,076,752.08x = 31,621,662,940,829.50 - Step 5: Solve for x
x = 31,621,662,940,829.50/7,076,752.08 - Step 6: Final answer
x = 4,468,386.43
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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.