Finding the Fourth Proportional to 13,527,490.26, 18,667,436.25 and 7,332,403.97
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Solution
The fourth proportional to 13,527,490.26, 18,667,436.25 and 7,332,403.97 is: 10,118,446.29
Step by Step Solution
- Step 1: Write the proportion equation
13,527,490.26 : 18,667,436.25 = 7,332,403.97 : x - Step 2: Convert to fraction form
13,527,490.26/18,667,436.25 = 7,332,403.97/x - Step 3: Cross multiply
13,527,490.26x = 18,667,436.25 × 7,332,403.97 - Step 4: Simplify right side
13,527,490.26x = 136,877,183,575,884.73 - Step 5: Solve for x
x = 136,877,183,575,884.73/13,527,490.26 - Step 6: Final answer
x = 10,118,446.29
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1.5x scale
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.