Finding the Fourth Proportional to 13,540,452.74, 18,680,921.03 and 8,896,738.84
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Solution
The fourth proportional to 13,540,452.74, 18,680,921.03 and 8,896,738.84 is: 12,274,277.59
Step by Step Solution
- Step 1: Write the proportion equation
13,540,452.74 : 18,680,921.03 = 8,896,738.84 : x - Step 2: Convert to fraction form
13,540,452.74/18,680,921.03 = 8,896,738.84/x - Step 3: Cross multiply
13,540,452.74x = 18,680,921.03 × 8,896,738.84 - Step 4: Simplify right side
13,540,452.74x = 166,199,275,603,387.81 - Step 5: Solve for x
x = 166,199,275,603,387.81/13,540,452.74 - Step 6: Final answer
x = 12,274,277.59
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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.