Finding the Fourth Proportional to 7,461,707.60, 11,192,561.40 and 2,669,106.08
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Solution
The fourth proportional to 7,461,707.60, 11,192,561.40 and 2,669,106.08 is: 4,003,659.12
Step by Step Solution
- Step 1: Write the proportion equation
7,461,707.60 : 11,192,561.40 = 2,669,106.08 : x - Step 2: Convert to fraction form
7,461,707.60/11,192,561.40 = 2,669,106.08/x - Step 3: Cross multiply
7,461,707.60x = 11,192,561.40 × 2,669,106.08 - Step 4: Simplify right side
7,461,707.60x = 29,874,133,683,513.31 - Step 5: Solve for x
x = 29,874,133,683,513.31/7,461,707.60 - Step 6: Final answer
x = 4,003,659.12
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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.