Finding the Fourth Proportional to 25,686,735.26, 35,452,844.37 and 15,238,550.99
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Solution
The fourth proportional to 25,686,735.26, 35,452,844.37 and 15,238,550.99 is: 21,032,255.42
Step by Step Solution
- Step 1: Write the proportion equation
25,686,735.26 : 35,452,844.37 = 15,238,550.99 : x - Step 2: Convert to fraction form
25,686,735.26/35,452,844.37 = 15,238,550.99/x - Step 3: Cross multiply
25,686,735.26x = 35,452,844.37 × 15,238,550.99 - Step 4: Simplify right side
25,686,735.26x = 540,249,976,761,411.50 - Step 5: Solve for x
x = 540,249,976,761,411.50/25,686,735.26 - Step 6: Final answer
x = 21,032,255.42
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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.