Finding the Fourth Proportional to 7,352,544.90, 10,143,728.73 and 4,560,376.62
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Solution
The fourth proportional to 7,352,544.90, 10,143,728.73 and 4,560,376.62 is: 6,291,593.45
Step by Step Solution
- Step 1: Write the proportion equation
7,352,544.90 : 10,143,728.73 = 4,560,376.62 : x - Step 2: Convert to fraction form
7,352,544.90/10,143,728.73 = 4,560,376.62/x - Step 3: Cross multiply
7,352,544.90x = 10,143,728.73 × 4,560,376.62 - Step 4: Simplify right side
7,352,544.90x = 46,259,223,339,914.30 - Step 5: Solve for x
x = 46,259,223,339,914.30/7,352,544.90 - Step 6: Final answer
x = 6,291,593.45
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Double scale
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Similar ratio
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1.5x scale
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.