Finding the Fourth Proportional to 10,654,795.80, 15,982,193.70 and 4,671,163.80
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Solution
The fourth proportional to 10,654,795.80, 15,982,193.70 and 4,671,163.80 is: 7,006,745.70
Step by Step Solution
- Step 1: Write the proportion equation
10,654,795.80 : 15,982,193.70 = 4,671,163.80 : x - Step 2: Convert to fraction form
10,654,795.80/15,982,193.70 = 4,671,163.80/x - Step 3: Cross multiply
10,654,795.80x = 15,982,193.70 × 4,671,163.80 - Step 4: Simplify right side
10,654,795.80x = 74,655,444,656,028.05 - Step 5: Solve for x
x = 74,655,444,656,028.05/10,654,795.80 - Step 6: Final answer
x = 7,006,745.70
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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.