Finding the Fourth Proportional to 7,461,709.60, 11,192,564.40 and 2,669,108.08
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Solution
The fourth proportional to 7,461,709.60, 11,192,564.40 and 2,669,108.08 is: 4,003,662.12
Step by Step Solution
- Step 1: Write the proportion equation
7,461,709.60 : 11,192,564.40 = 2,669,108.08 : x - Step 2: Convert to fraction form
7,461,709.60/11,192,564.40 = 2,669,108.08/x - Step 3: Cross multiply
7,461,709.60x = 11,192,564.40 × 2,669,108.08 - Step 4: Simplify right side
7,461,709.60x = 29,874,164,075,960.36 - Step 5: Solve for x
x = 29,874,164,075,960.36/7,461,709.60 - Step 6: Final answer
x = 4,003,662.12
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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.