Finding the Fourth Proportional to 41,378,616.24, 57,106,975.28 and 22,795,660.64
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Solution
The fourth proportional to 41,378,616.24, 57,106,975.28 and 22,795,660.64 is: 31,460,482.41
Step by Step Solution
- Step 1: Write the proportion equation
41,378,616.24 : 57,106,975.28 = 22,795,660.64 : x - Step 2: Convert to fraction form
41,378,616.24/57,106,975.28 = 22,795,660.64/x - Step 3: Cross multiply
41,378,616.24x = 57,106,975.28 × 22,795,660.64 - Step 4: Simplify right side
41,378,616.24x = 1,301,791,228,260,235.75 - Step 5: Solve for x
x = 1,301,791,228,260,235.75/41,378,616.24 - Step 6: Final answer
x = 31,460,482.41
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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.