Finding the Fourth Proportional to 14,305,623.21, 19,742,279.17 and 8,195,232.69
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Solution
The fourth proportional to 14,305,623.21, 19,742,279.17 and 8,195,232.69 is: 11,309,718.51
Step by Step Solution
- Step 1: Write the proportion equation
14,305,623.21 : 19,742,279.17 = 8,195,232.69 : x - Step 2: Convert to fraction form
14,305,623.21/19,742,279.17 = 8,195,232.69/x - Step 3: Cross multiply
14,305,623.21x = 19,742,279.17 × 8,195,232.69 - Step 4: Simplify right side
14,305,623.21x = 161,792,571,629,090.09 - Step 5: Solve for x
x = 161,792,571,629,090.09/14,305,623.21 - Step 6: Final answer
x = 11,309,718.51
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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.