Finding the Fourth Proportional to 21,716,169.34, 32,574,235.47 and 5,542,119.31
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Solution
The fourth proportional to 21,716,169.34, 32,574,235.47 and 5,542,119.31 is: 8,313,174.23
Step by Step Solution
- Step 1: Write the proportion equation
21,716,169.34 : 32,574,235.47 = 5,542,119.31 : x - Step 2: Convert to fraction form
21,716,169.34/32,574,235.47 = 5,542,119.31/x - Step 3: Cross multiply
21,716,169.34x = 32,574,235.47 × 5,542,119.31 - Step 4: Simplify right side
21,716,169.34x = 180,530,299,406,773.91 - Step 5: Solve for x
x = 180,530,299,406,773.91/21,716,169.34 - Step 6: Final answer
x = 8,313,174.23
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1.5x scale
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.