Finding the Fourth Proportional to 14,078,003.09, 19,427,644.26 and 7,639,475.09
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Solution
The fourth proportional to 14,078,003.09, 19,427,644.26 and 7,639,475.09 is: 10,542,475.62
Step by Step Solution
- Step 1: Write the proportion equation
14,078,003.09 : 19,427,644.26 = 7,639,475.09 : x - Step 2: Convert to fraction form
14,078,003.09/19,427,644.26 = 7,639,475.09/x - Step 3: Cross multiply
14,078,003.09x = 19,427,644.26 × 7,639,475.09 - Step 4: Simplify right side
14,078,003.09x = 148,417,004,284,513.28 - Step 5: Solve for x
x = 148,417,004,284,513.28/14,078,003.09 - Step 6: Final answer
x = 10,542,475.62
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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.