Finding the Fourth Proportional to 38,247,765.30, 57,370,265.55 and 15,528,021.30
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Solution
The fourth proportional to 38,247,765.30, 57,370,265.55 and 15,528,021.30 is: 23,291,470.72
Step by Step Solution
- Step 1: Write the proportion equation
38,247,765.30 : 57,370,265.55 = 15,528,021.30 : x - Step 2: Convert to fraction form
38,247,765.30/57,370,265.55 = 15,528,021.30/x - Step 3: Cross multiply
38,247,765.30x = 57,370,265.55 × 15,528,021.30 - Step 4: Simplify right side
38,247,765.30x = 890,846,705,447,056.25 - Step 5: Solve for x
x = 890,846,705,447,056.25/38,247,765.30 - Step 6: Final answer
x = 23,291,470.72
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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.