Finding the Fourth Proportional to 19,205,639.26, 26,508,038.27 and 13,253,400.23
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Solution
The fourth proportional to 19,205,639.26, 26,508,038.27 and 13,253,400.23 is: 18,292,629.35
Step by Step Solution
- Step 1: Write the proportion equation
19,205,639.26 : 26,508,038.27 = 13,253,400.23 : x - Step 2: Convert to fraction form
19,205,639.26/26,508,038.27 = 13,253,400.23/x - Step 3: Cross multiply
19,205,639.26x = 26,508,038.27 × 13,253,400.23 - Step 4: Simplify right side
19,205,639.26x = 351,321,640,305,659.62 - Step 5: Solve for x
x = 351,321,640,305,659.62/19,205,639.26 - Step 6: Final answer
x = 18,292,629.35
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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.