Finding the Fourth Proportional to 71,726,634.23, 107,578,403.98 and 20,597,023.67
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Solution
The fourth proportional to 71,726,634.23, 107,578,403.98 and 20,597,023.67 is: 30,892,219.56
Step by Step Solution
- Step 1: Write the proportion equation
71,726,634.23 : 107,578,403.98 = 20,597,023.67 : x - Step 2: Convert to fraction form
71,726,634.23/107,578,403.98 = 20,597,023.67/x - Step 3: Cross multiply
71,726,634.23x = 107,578,403.98 × 20,597,023.67 - Step 4: Simplify right side
71,726,634.23x = 2,215,794,932,567,497.75 - Step 5: Solve for x
x = 2,215,794,932,567,497.75/71,726,634.23 - Step 6: Final answer
x = 30,892,219.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.