Finding the Fourth Proportional to 20,811,269.99, 31,227,668.74 and 15,101,081.79
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Solution
The fourth proportional to 20,811,269.99, 31,227,668.74 and 15,101,081.79 is: 22,659,433.09
Step by Step Solution
- Step 1: Write the proportion equation
20,811,269.99 : 31,227,668.74 = 15,101,081.79 : x - Step 2: Convert to fraction form
20,811,269.99/31,227,668.74 = 15,101,081.79/x - Step 3: Cross multiply
20,811,269.99x = 31,227,668.74 × 15,101,081.79 - Step 4: Simplify right side
20,811,269.99x = 471,571,579,753,766.19 - Step 5: Solve for x
x = 471,571,579,753,766.19/20,811,269.99 - Step 6: Final answer
x = 22,659,433.09
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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.