Finding the Fourth Proportional to 27,193,441.51, 40,830,364.19 and 18,151,871.59
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Solution
The fourth proportional to 27,193,441.51, 40,830,364.19 and 18,151,871.59 is: 27,254,642.54
Step by Step Solution
- Step 1: Write the proportion equation
27,193,441.51 : 40,830,364.19 = 18,151,871.59 : x - Step 2: Convert to fraction form
27,193,441.51/40,830,364.19 = 18,151,871.59/x - Step 3: Cross multiply
27,193,441.51x = 40,830,364.19 × 18,151,871.59 - Step 4: Simplify right side
27,193,441.51x = 741,147,527,659,055 - Step 5: Solve for x
x = 741,147,527,659,055/27,193,441.51 - Step 6: Final answer
x = 27,254,642.54
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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.