Finding the Fourth Proportional to 9,965,027.18, 13,751,737.26 and 5,381,348.42
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Solution
The fourth proportional to 9,965,027.18, 13,751,737.26 and 5,381,348.42 is: 7,426,260.69
Step by Step Solution
- Step 1: Write the proportion equation
9,965,027.18 : 13,751,737.26 = 5,381,348.42 : x - Step 2: Convert to fraction form
9,965,027.18/13,751,737.26 = 5,381,348.42/x - Step 3: Cross multiply
9,965,027.18x = 13,751,737.26 × 5,381,348.42 - Step 4: Simplify right side
9,965,027.18x = 74,002,889,576,356.12 - Step 5: Solve for x
x = 74,002,889,576,356.12/9,965,027.18 - Step 6: Final answer
x = 7,426,260.69
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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.