Finding the Fourth Proportional to 43,819,965.70, 65,729,948.55 and 11,471,805.70
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Solution
The fourth proportional to 43,819,965.70, 65,729,948.55 and 11,471,805.70 is: 17,207,708.55
Step by Step Solution
- Step 1: Write the proportion equation
43,819,965.70 : 65,729,948.55 = 11,471,805.70 : x - Step 2: Convert to fraction form
43,819,965.70/65,729,948.55 = 11,471,805.70/x - Step 3: Cross multiply
43,819,965.70x = 65,729,948.55 × 11,471,805.70 - Step 4: Simplify right side
43,819,965.70x = 754,041,198,436,596.62 - Step 5: Solve for x
x = 754,041,198,436,596.62/43,819,965.70 - Step 6: Final answer
x = 17,207,708.55
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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.