Finding the Fourth Proportional to 7,497,147.04, 11,243,492.16 and 3,179,133.54
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Solution
The fourth proportional to 7,497,147.04, 11,243,492.16 and 3,179,133.54 is: 4,767,755.37
Step by Step Solution
- Step 1: Write the proportion equation
7,497,147.04 : 11,243,492.16 = 3,179,133.54 : x - Step 2: Convert to fraction form
7,497,147.04/11,243,492.16 = 3,179,133.54/x - Step 3: Cross multiply
7,497,147.04x = 11,243,492.16 × 3,179,133.54 - Step 4: Simplify right side
7,497,147.04x = 35,744,563,032,583.05 - Step 5: Solve for x
x = 35,744,563,032,583.05/7,497,147.04 - Step 6: Final answer
x = 4,767,755.37
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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.