Finding the Fourth Proportional to 38,303,262.87, 57,450,650.13 and 13,710,207.30
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Solution
The fourth proportional to 38,303,262.87, 57,450,650.13 and 13,710,207.30 is: 20,563,791.80
Step by Step Solution
- Step 1: Write the proportion equation
38,303,262.87 : 57,450,650.13 = 13,710,207.30 : x - Step 2: Convert to fraction form
38,303,262.87/57,450,650.13 = 13,710,207.30/x - Step 3: Cross multiply
38,303,262.87x = 57,450,650.13 × 13,710,207.30 - Step 4: Simplify right side
38,303,262.87x = 787,660,322,802,072 - Step 5: Solve for x
x = 787,660,322,802,072/38,303,262.87 - Step 6: Final answer
x = 20,563,791.80
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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.