Finding the Fourth Proportional to 7,299,868.55, 10,073,883.84 and 4,036,902.80
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Solution
The fourth proportional to 7,299,868.55, 10,073,883.84 and 4,036,902.80 is: 5,570,961.94
Step by Step Solution
- Step 1: Write the proportion equation
7,299,868.55 : 10,073,883.84 = 4,036,902.80 : x - Step 2: Convert to fraction form
7,299,868.55/10,073,883.84 = 4,036,902.80/x - Step 3: Cross multiply
7,299,868.55x = 10,073,883.84 × 4,036,902.80 - Step 4: Simplify right side
7,299,868.55x = 40,667,289,880,570.75 - Step 5: Solve for x
x = 40,667,289,880,570.75/7,299,868.55 - Step 6: Final answer
x = 5,570,961.94
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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.