Finding the Fourth Proportional to 14,474,157.30, 19,973,428.74 and 7,947,741.06
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Solution
The fourth proportional to 14,474,157.30, 19,973,428.74 and 7,947,741.06 is: 10,967,383.90
Step by Step Solution
- Step 1: Write the proportion equation
14,474,157.30 : 19,973,428.74 = 7,947,741.06 : x - Step 2: Convert to fraction form
14,474,157.30/19,973,428.74 = 7,947,741.06/x - Step 3: Cross multiply
14,474,157.30x = 19,973,428.74 × 7,947,741.06 - Step 4: Simplify right side
14,474,157.30x = 158,743,639,705,882.03 - Step 5: Solve for x
x = 158,743,639,705,882.03/14,474,157.30 - Step 6: Final answer
x = 10,967,383.90
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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.