Finding the Fourth Proportional to 28,794,197.12, 43,182,571.44 and 15,139,986.08
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Solution
The fourth proportional to 28,794,197.12, 43,182,571.44 and 15,139,986.08 is: 22,705,391.92
Step by Step Solution
- Step 1: Write the proportion equation
28,794,197.12 : 43,182,571.44 = 15,139,986.08 : x - Step 2: Convert to fraction form
28,794,197.12/43,182,571.44 = 15,139,986.08/x - Step 3: Cross multiply
28,794,197.12x = 43,182,571.44 × 15,139,986.08 - Step 4: Simplify right side
28,794,197.12x = 653,783,530,500,205.50 - Step 5: Solve for x
x = 653,783,530,500,205.50/28,794,197.12 - Step 6: Final answer
x = 22,705,391.92
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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.