Finding the Fourth Proportional to 11,477,550.96, 15,838,828.93 and 6,321,392.28
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Solution
The fourth proportional to 11,477,550.96, 15,838,828.93 and 6,321,392.28 is: 8,723,415.93
Step by Step Solution
- Step 1: Write the proportion equation
11,477,550.96 : 15,838,828.93 = 6,321,392.28 : x - Step 2: Convert to fraction form
11,477,550.96/15,838,828.93 = 6,321,392.28/x - Step 3: Cross multiply
11,477,550.96x = 15,838,828.93 × 6,321,392.28 - Step 4: Simplify right side
11,477,550.96x = 100,123,450,843,148.52 - Step 5: Solve for x
x = 100,123,450,843,148.52/11,477,550.96 - Step 6: Final answer
x = 8,723,415.93
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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.