Finding the Fourth Proportional to 39,721,350.80, 59,638,013.40 and 24,604,806.80
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Solution
The fourth proportional to 39,721,350.80, 59,638,013.40 and 24,604,806.80 is: 36,941,890.65
Step by Step Solution
- Step 1: Write the proportion equation
39,721,350.80 : 59,638,013.40 = 24,604,806.80 : x - Step 2: Convert to fraction form
39,721,350.80/59,638,013.40 = 24,604,806.80/x - Step 3: Cross multiply
39,721,350.80x = 59,638,013.40 × 24,604,806.80 - Step 4: Simplify right side
39,721,350.80x = 1,467,381,797,642,811.25 - Step 5: Solve for x
x = 1,467,381,797,642,811.25/39,721,350.80 - Step 6: Final answer
x = 36,941,890.65
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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.