Finding the Fourth Proportional to 21,490,194.24, 29,658,558.24 and 16,048,238.40
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Solution
The fourth proportional to 21,490,194.24, 29,658,558.24 and 16,048,238.40 is: 22,148,129.88
Step by Step Solution
- Step 1: Write the proportion equation
21,490,194.24 : 29,658,558.24 = 16,048,238.40 : x - Step 2: Convert to fraction form
21,490,194.24/29,658,558.24 = 16,048,238.40/x - Step 3: Cross multiply
21,490,194.24x = 29,658,558.24 × 16,048,238.40 - Step 4: Simplify right side
21,490,194.24x = 475,967,613,235,804.38 - Step 5: Solve for x
x = 475,967,613,235,804.38/21,490,194.24 - Step 6: Final answer
x = 22,148,129.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.