Finding the Fourth Proportional to 27,079,339.36, 37,369,485.60 and 15,318,356.44
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Solution
The fourth proportional to 27,079,339.36, 37,369,485.60 and 15,318,356.44 is: 21,139,330.35
Step by Step Solution
- Step 1: Write the proportion equation
27,079,339.36 : 37,369,485.60 = 15,318,356.44 : x - Step 2: Convert to fraction form
27,079,339.36/37,369,485.60 = 15,318,356.44/x - Step 3: Cross multiply
27,079,339.36x = 37,369,485.60 × 15,318,356.44 - Step 4: Simplify right side
27,079,339.36x = 572,439,100,400,247.25 - Step 5: Solve for x
x = 572,439,100,400,247.25/27,079,339.36 - Step 6: Final answer
x = 21,139,330.35
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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.