Finding the Fourth Proportional to 15,170,879.75, 22,751,576.19 and 5,071,138.79
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Solution
The fourth proportional to 15,170,879.75, 22,751,576.19 and 5,071,138.79 is: 7,605,122.60
Step by Step Solution
- Step 1: Write the proportion equation
15,170,879.75 : 22,751,576.19 = 5,071,138.79 : x - Step 2: Convert to fraction form
15,170,879.75/22,751,576.19 = 5,071,138.79/x - Step 3: Cross multiply
15,170,879.75x = 22,751,576.19 × 5,071,138.79 - Step 4: Simplify right side
15,170,879.75x = 115,376,400,436,991.55 - Step 5: Solve for x
x = 115,376,400,436,991.55/15,170,879.75 - Step 6: Final answer
x = 7,605,122.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.