Finding the Fourth Proportional to 11,895,256.09, 16,415,453.39 and 6,738,617.63
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Solution
The fourth proportional to 11,895,256.09, 16,415,453.39 and 6,738,617.63 is: 9,299,292.33
Step by Step Solution
- Step 1: Write the proportion equation
11,895,256.09 : 16,415,453.39 = 6,738,617.63 : x - Step 2: Convert to fraction form
11,895,256.09/16,415,453.39 = 6,738,617.63/x - Step 3: Cross multiply
11,895,256.09x = 16,415,453.39 × 6,738,617.63 - Step 4: Simplify right side
11,895,256.09x = 110,617,463,625,642.81 - Step 5: Solve for x
x = 110,617,463,625,642.81/11,895,256.09 - Step 6: Final answer
x = 9,299,292.33
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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.