Finding the Fourth Proportional to 14,305,619.71, 19,742,274.34 and 8,195,229.19
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Solution
The fourth proportional to 14,305,619.71, 19,742,274.34 and 8,195,229.19 is: 11,309,713.68
Step by Step Solution
- Step 1: Write the proportion equation
14,305,619.71 : 19,742,274.34 = 8,195,229.19 : x - Step 2: Convert to fraction form
14,305,619.71/19,742,274.34 = 8,195,229.19/x - Step 3: Cross multiply
14,305,619.71x = 19,742,274.34 × 8,195,229.19 - Step 4: Simplify right side
14,305,619.71x = 161,792,462,878,312.22 - Step 5: Solve for x
x = 161,792,462,878,312.22/14,305,619.71 - Step 6: Final answer
x = 11,309,713.68
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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.