Finding the Fourth Proportional to 38,400,945.50, 57,601,473.68 and 15,681,842.75
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Solution
The fourth proportional to 38,400,945.50, 57,601,473.68 and 15,681,842.75 is: 23,522,786.75
Step by Step Solution
- Step 1: Write the proportion equation
38,400,945.50 : 57,601,473.68 = 15,681,842.75 : x - Step 2: Convert to fraction form
38,400,945.50/57,601,473.68 = 15,681,842.75/x - Step 3: Cross multiply
38,400,945.50x = 57,601,473.68 × 15,681,842.75 - Step 4: Simplify right side
38,400,945.50x = 903,297,252,051,607.12 - Step 5: Solve for x
x = 903,297,252,051,607.12/38,400,945.50 - Step 6: Final answer
x = 23,522,786.75
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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.