Finding the Fourth Proportional to 30,083,651.50, 41,515,438.68 and 16,332,615.62
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Solution
The fourth proportional to 30,083,651.50, 41,515,438.68 and 16,332,615.62 is: 22,539,009.34
Step by Step Solution
- Step 1: Write the proportion equation
30,083,651.50 : 41,515,438.68 = 16,332,615.62 : x - Step 2: Convert to fraction form
30,083,651.50/41,515,438.68 = 16,332,615.62/x - Step 3: Cross multiply
30,083,651.50x = 41,515,438.68 × 16,332,615.62 - Step 4: Simplify right side
30,083,651.50x = 678,055,702,256,120.12 - Step 5: Solve for x
x = 678,055,702,256,120.12/30,083,651.50 - Step 6: Final answer
x = 22,539,009.34
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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.