Finding the Fourth Proportional to 14,073,527.25, 19,421,336.39 and 7,961,955.75
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Solution
The fourth proportional to 14,073,527.25, 19,421,336.39 and 7,961,955.75 is: 10,987,424.70
Step by Step Solution
- Step 1: Write the proportion equation
14,073,527.25 : 19,421,336.39 = 7,961,955.75 : x - Step 2: Convert to fraction form
14,073,527.25/19,421,336.39 = 7,961,955.75/x - Step 3: Cross multiply
14,073,527.25x = 19,421,336.39 × 7,961,955.75 - Step 4: Simplify right side
14,073,527.25x = 154,631,820,903,234.97 - Step 5: Solve for x
x = 154,631,820,903,234.97/14,073,527.25 - Step 6: Final answer
x = 10,987,424.70
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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.