Finding the Fourth Proportional to 21,048,243.27, 31,575,357.72 and 6,476,370.99
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Solution
The fourth proportional to 21,048,243.27, 31,575,357.72 and 6,476,370.99 is: 9,715,477.35
Step by Step Solution
- Step 1: Write the proportion equation
21,048,243.27 : 31,575,357.72 = 6,476,370.99 : x - Step 2: Convert to fraction form
21,048,243.27/31,575,357.72 = 6,476,370.99/x - Step 3: Cross multiply
21,048,243.27x = 31,575,357.72 × 6,476,370.99 - Step 4: Simplify right side
21,048,243.27x = 204,493,730,736,680.53 - Step 5: Solve for x
x = 204,493,730,736,680.53/21,048,243.27 - Step 6: Final answer
x = 9,715,477.35
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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.