Finding the Fourth Proportional to 7,623,964.81, 10,521,071.49 and 4,186,205.84
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Solution
The fourth proportional to 7,623,964.81, 10,521,071.49 and 4,186,205.84 is: 5,776,964.08
Step by Step Solution
- Step 1: Write the proportion equation
7,623,964.81 : 10,521,071.49 = 4,186,205.84 : x - Step 2: Convert to fraction form
7,623,964.81/10,521,071.49 = 4,186,205.84/x - Step 3: Cross multiply
7,623,964.81x = 10,521,071.49 × 4,186,205.84 - Step 4: Simplify right side
7,623,964.81x = 44,043,370,840,959.11 - Step 5: Solve for x
x = 44,043,370,840,959.11/7,623,964.81 - Step 6: Final answer
x = 5,776,964.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.