Finding the Fourth Proportional to 18,182,908.98, 27,273,699.01 and 5,403,081.53
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Solution
The fourth proportional to 18,182,908.98, 27,273,699.01 and 5,403,081.53 is: 8,104,424.85
Step by Step Solution
- Step 1: Write the proportion equation
18,182,908.98 : 27,273,699.01 = 5,403,081.53 : x - Step 2: Convert to fraction form
18,182,908.98/27,273,699.01 = 5,403,081.53/x - Step 3: Cross multiply
18,182,908.98x = 27,273,699.01 × 5,403,081.53 - Step 4: Simplify right side
18,182,908.98x = 147,362,019,430,386.81 - Step 5: Solve for x
x = 147,362,019,430,386.81/18,182,908.98 - Step 6: Final answer
x = 8,104,424.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.