Finding the Fourth Proportional to 11,895,258.71, 16,415,457.01 and 6,738,620.26
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Solution
The fourth proportional to 11,895,258.71, 16,415,457.01 and 6,738,620.26 is: 9,299,295.95
Step by Step Solution
- Step 1: Write the proportion equation
11,895,258.71 : 16,415,457.01 = 6,738,620.26 : x - Step 2: Convert to fraction form
11,895,258.71/16,415,457.01 = 6,738,620.26/x - Step 3: Cross multiply
11,895,258.71x = 16,415,457.01 × 6,738,620.26 - Step 4: Simplify right side
11,895,258.71x = 110,617,531,126,859.84 - Step 5: Solve for x
x = 110,617,531,126,859.84/11,895,258.71 - Step 6: Final answer
x = 9,299,295.95
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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.