Finding the Fourth Proportional to 19,081,062.42, 28,624,785.29 and 14,982,217.55
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Solution
The fourth proportional to 19,081,062.42, 28,624,785.29 and 14,982,217.55 is: 22,475,832.37
Step by Step Solution
- Step 1: Write the proportion equation
19,081,062.42 : 28,624,785.29 = 14,982,217.55 : x - Step 2: Convert to fraction form
19,081,062.42/28,624,785.29 = 14,982,217.55/x - Step 3: Cross multiply
19,081,062.42x = 28,624,785.29 × 14,982,217.55 - Step 4: Simplify right side
19,081,062.42x = 428,862,760,440,181.06 - Step 5: Solve for x
x = 428,862,760,440,181.06/19,081,062.42 - Step 6: Final answer
x = 22,475,832.37
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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.