Finding the Fourth Proportional to 14,305,659.84, 19,742,329.92 and 8,195,269.44
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Solution
The fourth proportional to 14,305,659.84, 19,742,329.92 and 8,195,269.44 is: 11,309,769.34
Step by Step Solution
- Step 1: Write the proportion equation
14,305,659.84 : 19,742,329.92 = 8,195,269.44 : x - Step 2: Convert to fraction form
14,305,659.84/19,742,329.92 = 8,195,269.44/x - Step 3: Cross multiply
14,305,659.84x = 19,742,329.92 × 8,195,269.44 - Step 4: Simplify right side
14,305,659.84x = 161,793,713,067,773.66 - Step 5: Solve for x
x = 161,793,713,067,773.66/14,305,659.84 - Step 6: Final answer
x = 11,309,769.34
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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.