Finding the Fourth Proportional to 13,848,955.69, 20,773,405.67 and 13,006,202.68
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Solution
The fourth proportional to 13,848,955.69, 20,773,405.67 and 13,006,202.68 is: 19,509,277.84
Step by Step Solution
- Step 1: Write the proportion equation
13,848,955.69 : 20,773,405.67 = 13,006,202.68 : x - Step 2: Convert to fraction form
13,848,955.69/20,773,405.67 = 13,006,202.68/x - Step 3: Cross multiply
13,848,955.69x = 20,773,405.67 × 13,006,202.68 - Step 4: Simplify right side
13,848,955.69x = 270,183,124,380,916.66 - Step 5: Solve for x
x = 270,183,124,380,916.66/13,848,955.69 - Step 6: Final answer
x = 19,509,277.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.