Finding the Fourth Proportional to 31,970,403.54, 44,118,899.90 and 18,560,313.14
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Solution
The fourth proportional to 31,970,403.54, 44,118,899.90 and 18,560,313.14 is: 25,613,082.95
Step by Step Solution
- Step 1: Write the proportion equation
31,970,403.54 : 44,118,899.90 = 18,560,313.14 : x - Step 2: Convert to fraction form
31,970,403.54/44,118,899.90 = 18,560,313.14/x - Step 3: Cross multiply
31,970,403.54x = 44,118,899.90 × 18,560,313.14 - Step 4: Simplify right side
31,970,403.54x = 818,860,597,722,879.12 - Step 5: Solve for x
x = 818,860,597,722,879.12/31,970,403.54 - Step 6: Final answer
x = 25,613,082.95
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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.