Finding the Fourth Proportional to 25,811,220.29, 38,716,658.12 and 10,458,283.46
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Solution
The fourth proportional to 25,811,220.29, 38,716,658.12 and 10,458,283.46 is: 15,687,355.36
Step by Step Solution
- Step 1: Write the proportion equation
25,811,220.29 : 38,716,658.12 = 10,458,283.46 : x - Step 2: Convert to fraction form
25,811,220.29/38,716,658.12 = 10,458,283.46/x - Step 3: Cross multiply
25,811,220.29x = 38,716,658.12 × 10,458,283.46 - Step 4: Simplify right side
25,811,220.29x = 404,909,784,996,996 - Step 5: Solve for x
x = 404,909,784,996,996/25,811,220.29 - Step 6: Final answer
x = 15,687,355.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.