Finding the Fourth Proportional to 14,474,185.32, 19,973,467.36 and 7,947,769.08
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Solution
The fourth proportional to 14,474,185.32, 19,973,467.36 and 7,947,769.08 is: 10,967,422.54
Step by Step Solution
- Step 1: Write the proportion equation
14,474,185.32 : 19,973,467.36 = 7,947,769.08 : x - Step 2: Convert to fraction form
14,474,185.32/19,973,467.36 = 7,947,769.08/x - Step 3: Cross multiply
14,474,185.32x = 19,973,467.36 × 7,947,769.08 - Step 4: Simplify right side
14,474,185.32x = 158,744,506,304,197.22 - Step 5: Solve for x
x = 158,744,506,304,197.22/14,474,185.32 - Step 6: Final answer
x = 10,967,422.54
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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.