Finding the Fourth Proportional to 51,204,365.84, 76,806,626.50 and 20,912,228.84
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Solution
The fourth proportional to 51,204,365.84, 76,806,626.50 and 20,912,228.84 is: 31,368,375.01
Step by Step Solution
- Step 1: Write the proportion equation
51,204,365.84 : 76,806,626.50 = 20,912,228.84 : x - Step 2: Convert to fraction form
51,204,365.84/76,806,626.50 = 20,912,228.84/x - Step 3: Cross multiply
51,204,365.84x = 76,806,626.50 × 20,912,228.84 - Step 4: Simplify right side
51,204,365.84x = 1,606,197,749,796,408.25 - Step 5: Solve for x
x = 1,606,197,749,796,408.25/51,204,365.84 - Step 6: Final answer
x = 31,368,375.01
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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.