Finding the Fourth Proportional to 34,879,836.31, 48,133,792.12 and 19,198,525.53
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Solution
The fourth proportional to 34,879,836.31, 48,133,792.12 and 19,198,525.53 is: 26,493,754.98
Step by Step Solution
- Step 1: Write the proportion equation
34,879,836.31 : 48,133,792.12 = 19,198,525.53 : x - Step 2: Convert to fraction form
34,879,836.31/48,133,792.12 = 19,198,525.53/x - Step 3: Cross multiply
34,879,836.31x = 48,133,792.12 × 19,198,525.53 - Step 4: Simplify right side
34,879,836.31x = 924,097,836,823,288.38 - Step 5: Solve for x
x = 924,097,836,823,288.38/34,879,836.31 - Step 6: Final answer
x = 26,493,754.98
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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.