Finding the Fourth Proportional to 14,305,743.27, 19,742,445.05 and 8,195,352.75
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Solution
The fourth proportional to 14,305,743.27, 19,742,445.05 and 8,195,352.75 is: 11,309,884.31
Step by Step Solution
- Step 1: Write the proportion equation
14,305,743.27 : 19,742,445.05 = 8,195,352.75 : x - Step 2: Convert to fraction form
14,305,743.27/19,742,445.05 = 8,195,352.75/x - Step 3: Cross multiply
14,305,743.27x = 19,742,445.05 × 8,195,352.75 - Step 4: Simplify right side
14,305,743.27x = 161,796,301,291,264.62 - Step 5: Solve for x
x = 161,796,301,291,264.62/14,305,743.27 - Step 6: Final answer
x = 11,309,884.31
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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.