Finding the Fourth Proportional to 19,450,682.87, 26,839,658.52 and 10,748,336.49
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Solution
The fourth proportional to 19,450,682.87, 26,839,658.52 and 10,748,336.49 is: 14,831,442.32
Step by Step Solution
- Step 1: Write the proportion equation
19,450,682.87 : 26,839,658.52 = 10,748,336.49 : x - Step 2: Convert to fraction form
19,450,682.87/26,839,658.52 = 10,748,336.49/x - Step 3: Cross multiply
19,450,682.87x = 26,839,658.52 × 10,748,336.49 - Step 4: Simplify right side
19,450,682.87x = 288,481,681,049,655.38 - Step 5: Solve for x
x = 288,481,681,049,655.38/19,450,682.87 - Step 6: Final answer
x = 14,831,442.32
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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.