Finding the Fourth Proportional to 39,682,539.36, 59,524,009.68 and 12,386,544
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Solution
The fourth proportional to 39,682,539.36, 59,524,009.68 and 12,386,544 is: 18,579,878.63
Step by Step Solution
- Step 1: Write the proportion equation
39,682,539.36 : 59,524,009.68 = 12,386,544 : x - Step 2: Convert to fraction form
39,682,539.36/59,524,009.68 = 12,386,544/x - Step 3: Cross multiply
39,682,539.36x = 59,524,009.68 × 12,386,544 - Step 4: Simplify right side
39,682,539.36x = 737,296,764,957,745.88 - Step 5: Solve for x
x = 737,296,764,957,745.88/39,682,539.36 - Step 6: Final answer
x = 18,579,878.63
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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.