Finding the Fourth Proportional to 14,128,362.36, 19,495,807.43 and 7,932,198.92
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Solution
The fourth proportional to 14,128,362.36, 19,495,807.43 and 7,932,198.92 is: 10,945,686.31
Step by Step Solution
- Step 1: Write the proportion equation
14,128,362.36 : 19,495,807.43 = 7,932,198.92 : x - Step 2: Convert to fraction form
14,128,362.36/19,495,807.43 = 7,932,198.92/x - Step 3: Cross multiply
14,128,362.36x = 19,495,807.43 × 7,932,198.92 - Step 4: Simplify right side
14,128,362.36x = 154,644,622,503,633.94 - Step 5: Solve for x
x = 154,644,622,503,633.94/14,128,362.36 - Step 6: Final answer
x = 10,945,686.31
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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.