Finding the Fourth Proportional to 9,570,467.45, 13,204,974.42 and 5,440,174.43
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Solution
The fourth proportional to 9,570,467.45, 13,204,974.42 and 5,440,174.43 is: 7,506,149.99
Step by Step Solution
- Step 1: Write the proportion equation
9,570,467.45 : 13,204,974.42 = 5,440,174.43 : x - Step 2: Convert to fraction form
9,570,467.45/13,204,974.42 = 5,440,174.43/x - Step 3: Cross multiply
9,570,467.45x = 13,204,974.42 × 5,440,174.43 - Step 4: Simplify right side
9,570,467.45x = 71,837,364,188,488.08 - Step 5: Solve for x
x = 71,837,364,188,488.08/9,570,467.45 - Step 6: Final answer
x = 7,506,149.99
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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.