Finding the Fourth Proportional to 9,528,455.64, 13,149,351.84 and 5,177,541.92
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Solution
The fourth proportional to 9,528,455.64, 13,149,351.84 and 5,177,541.92 is: 7,145,052.98
Step by Step Solution
- Step 1: Write the proportion equation
9,528,455.64 : 13,149,351.84 = 5,177,541.92 : x - Step 2: Convert to fraction form
9,528,455.64/13,149,351.84 = 5,177,541.92/x - Step 3: Cross multiply
9,528,455.64x = 13,149,351.84 × 5,177,541.92 - Step 4: Simplify right side
9,528,455.64x = 68,081,320,372,429.13 - Step 5: Solve for x
x = 68,081,320,372,429.13/9,528,455.64 - Step 6: Final answer
x = 7,145,052.98
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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.