Finding the Fourth Proportional to 21,716,206.94, 32,574,291.90 and 5,542,156.94
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Solution
The fourth proportional to 21,716,206.94, 32,574,291.90 and 5,542,156.94 is: 8,313,230.69
Step by Step Solution
- Step 1: Write the proportion equation
21,716,206.94 : 32,574,291.90 = 5,542,156.94 : x - Step 2: Convert to fraction form
21,716,206.94/32,574,291.90 = 5,542,156.94/x - Step 3: Cross multiply
21,716,206.94x = 32,574,291.90 × 5,542,156.94 - Step 4: Simplify right side
21,716,206.94x = 180,531,837,919,170.78 - Step 5: Solve for x
x = 180,531,837,919,170.78/21,716,206.94 - Step 6: Final answer
x = 8,313,230.69
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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.