Finding the Fourth Proportional to 39,438,531.68, 59,159,002.68 and 13,530,469.58
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Solution
The fourth proportional to 39,438,531.68, 59,159,002.68 and 13,530,469.58 is: 20,296,117.83
Step by Step Solution
- Step 1: Write the proportion equation
39,438,531.68 : 59,159,002.68 = 13,530,469.58 : x - Step 2: Convert to fraction form
39,438,531.68/59,159,002.68 = 13,530,469.58/x - Step 3: Cross multiply
39,438,531.68x = 59,159,002.68 × 13,530,469.58 - Step 4: Simplify right side
39,438,531.68x = 800,449,086,144,878.50 - Step 5: Solve for x
x = 800,449,086,144,878.50/39,438,531.68 - Step 6: Final answer
x = 20,296,117.83
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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.