Finding the Fourth Proportional to 20,806,183.98, 31,221,605.25 and 11,591,868.96
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Solution
The fourth proportional to 20,806,183.98, 31,221,605.25 and 11,591,868.96 is: 17,394,672.52
Step by Step Solution
- Step 1: Write the proportion equation
20,806,183.98 : 31,221,605.25 = 11,591,868.96 : x - Step 2: Convert to fraction form
20,806,183.98/31,221,605.25 = 11,591,868.96/x - Step 3: Cross multiply
20,806,183.98x = 31,221,605.25 × 11,591,868.96 - Step 4: Simplify right side
20,806,183.98x = 361,916,756,778,848.06 - Step 5: Solve for x
x = 361,916,756,778,848.06/20,806,183.98 - Step 6: Final answer
x = 17,394,672.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.