Finding the Fourth Proportional to 10,133,914.84, 13,985,803.06 and 5,783,651.08
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Solution
The fourth proportional to 10,133,914.84, 13,985,803.06 and 5,783,651.08 is: 7,982,009.54
Step by Step Solution
- Step 1: Write the proportion equation
10,133,914.84 : 13,985,803.06 = 5,783,651.08 : x - Step 2: Convert to fraction form
10,133,914.84/13,985,803.06 = 5,783,651.08/x - Step 3: Cross multiply
10,133,914.84x = 13,985,803.06 × 5,783,651.08 - Step 4: Simplify right side
10,133,914.84x = 80,889,004,972,636.31 - Step 5: Solve for x
x = 80,889,004,972,636.31/10,133,914.84 - Step 6: Final answer
x = 7,982,009.54
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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.