Finding the Fourth Proportional to 18,299,480.57, 27,452,238.93 and 7,513,918.28
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Solution
The fourth proportional to 18,299,480.57, 27,452,238.93 and 7,513,918.28 is: 11,272,116.67
Step by Step Solution
- Step 1: Write the proportion equation
18,299,480.57 : 27,452,238.93 = 7,513,918.28 : x - Step 2: Convert to fraction form
18,299,480.57/27,452,238.93 = 7,513,918.28/x - Step 3: Cross multiply
18,299,480.57x = 27,452,238.93 × 7,513,918.28 - Step 4: Simplify right side
18,299,480.57x = 206,273,879,923,054.66 - Step 5: Solve for x
x = 206,273,879,923,054.66/18,299,480.57 - Step 6: Final answer
x = 11,272,116.67
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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.