Finding the Fourth Proportional to 9,172,843.70, 13,759,265.55 and 2,349,403.70
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Solution
The fourth proportional to 9,172,843.70, 13,759,265.55 and 2,349,403.70 is: 3,524,105.55
Step by Step Solution
- Step 1: Write the proportion equation
9,172,843.70 : 13,759,265.55 = 2,349,403.70 : x - Step 2: Convert to fraction form
9,172,843.70/13,759,265.55 = 2,349,403.70/x - Step 3: Cross multiply
9,172,843.70x = 13,759,265.55 × 2,349,403.70 - Step 4: Simplify right side
9,172,843.70x = 32,326,069,392,452.54 - Step 5: Solve for x
x = 32,326,069,392,452.54/9,172,843.70 - Step 6: Final answer
x = 3,524,105.55
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1.5x scale
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.