Finding the Fourth Proportional to 21,716,167.84, 32,574,233.23 and 5,542,117.81
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Solution
The fourth proportional to 21,716,167.84, 32,574,233.23 and 5,542,117.81 is: 8,313,171.98
Step by Step Solution
- Step 1: Write the proportion equation
21,716,167.84 : 32,574,233.23 = 5,542,117.81 : x - Step 2: Convert to fraction form
21,716,167.84/32,574,233.23 = 5,542,117.81/x - Step 3: Cross multiply
21,716,167.84x = 32,574,233.23 × 5,542,117.81 - Step 4: Simplify right side
21,716,167.84x = 180,530,238,035,785.94 - Step 5: Solve for x
x = 180,530,238,035,785.94/21,716,167.84 - Step 6: Final answer
x = 8,313,171.98
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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.