Finding the Fourth Proportional to 20,855,733.18, 31,292,232.78 and 11,259,826.02
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Solution
The fourth proportional to 20,855,733.18, 31,292,232.78 and 11,259,826.02 is: 16,894,399.92
Step by Step Solution
- Step 1: Write the proportion equation
20,855,733.18 : 31,292,232.78 = 11,259,826.02 : x - Step 2: Convert to fraction form
20,855,733.18/31,292,232.78 = 11,259,826.02/x - Step 3: Cross multiply
20,855,733.18x = 31,292,232.78 × 11,259,826.02 - Step 4: Simplify right side
20,855,733.18x = 352,345,096,880,140.94 - Step 5: Solve for x
x = 352,345,096,880,140.94/20,855,733.18 - Step 6: Final answer
x = 16,894,399.92
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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.