Finding the Fourth Proportional to 7,937,203.74, 11,898,107.37 and 3,143,299.74
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Solution
The fourth proportional to 7,937,203.74, 11,898,107.37 and 3,143,299.74 is: 4,711,900.94
Step by Step Solution
- Step 1: Write the proportion equation
7,937,203.74 : 11,898,107.37 = 3,143,299.74 : x - Step 2: Convert to fraction form
7,937,203.74/11,898,107.37 = 3,143,299.74/x - Step 3: Cross multiply
7,937,203.74x = 11,898,107.37 × 3,143,299.74 - Step 4: Simplify right side
7,937,203.74x = 37,399,317,802,613.09 - Step 5: Solve for x
x = 37,399,317,802,613.09/7,937,203.74 - Step 6: Final answer
x = 4,711,900.94
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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.