Finding the Fourth Proportional to 10,366,515.30, 15,556,771.35 and 6,763,505.70
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Solution
The fourth proportional to 10,366,515.30, 15,556,771.35 and 6,763,505.70 is: 10,149,824.57
Step by Step Solution
- Step 1: Write the proportion equation
10,366,515.30 : 15,556,771.35 = 6,763,505.70 : x - Step 2: Convert to fraction form
10,366,515.30/15,556,771.35 = 6,763,505.70/x - Step 3: Cross multiply
10,366,515.30x = 15,556,771.35 × 6,763,505.70 - Step 4: Simplify right side
10,366,515.30x = 105,218,311,699,321.70 - Step 5: Solve for x
x = 105,218,311,699,321.70/10,366,515.30 - Step 6: Final answer
x = 10,149,824.57
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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.