Finding the Fourth Proportional to 10,968,628.44, 15,136,521.30 and 6,073,745.88
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Solution
The fourth proportional to 10,968,628.44, 15,136,521.30 and 6,073,745.88 is: 8,381,666.35
Step by Step Solution
- Step 1: Write the proportion equation
10,968,628.44 : 15,136,521.30 = 6,073,745.88 : x - Step 2: Convert to fraction form
10,968,628.44/15,136,521.30 = 6,073,745.88/x - Step 3: Cross multiply
10,968,628.44x = 15,136,521.30 × 6,073,745.88 - Step 4: Simplify right side
10,968,628.44x = 91,935,383,883,407.25 - Step 5: Solve for x
x = 91,935,383,883,407.25/10,968,628.44 - Step 6: Final answer
x = 8,381,666.35
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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.