Finding the Fourth Proportional to 38,375,928.99, 57,557,586.75 and 13,778,763.75
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Solution
The fourth proportional to 38,375,928.99, 57,557,586.75 and 13,778,763.75 is: 20,665,881.21
Step by Step Solution
- Step 1: Write the proportion equation
38,375,928.99 : 57,557,586.75 = 13,778,763.75 : x - Step 2: Convert to fraction form
38,375,928.99/57,557,586.75 = 13,778,763.75/x - Step 3: Cross multiply
38,375,928.99x = 57,557,586.75 × 13,778,763.75 - Step 4: Simplify right side
38,375,928.99x = 793,072,389,848,380.25 - Step 5: Solve for x
x = 793,072,389,848,380.25/38,375,928.99 - Step 6: Final answer
x = 20,665,881.21
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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.