Finding the Fourth Proportional to 39,727,974.06, 59,559,817.05 and 12,420,217.26
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Solution
The fourth proportional to 39,727,974.06, 59,559,817.05 and 12,420,217.26 is: 18,620,276.65
Step by Step Solution
- Step 1: Write the proportion equation
39,727,974.06 : 59,559,817.05 = 12,420,217.26 : x - Step 2: Convert to fraction form
39,727,974.06/59,559,817.05 = 12,420,217.26/x - Step 3: Cross multiply
39,727,974.06x = 59,559,817.05 × 12,420,217.26 - Step 4: Simplify right side
39,727,974.06x = 739,745,867,726,852.25 - Step 5: Solve for x
x = 739,745,867,726,852.25/39,727,974.06 - Step 6: Final answer
x = 18,620,276.65
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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.