Finding the Fourth Proportional to 13,236,515.20, 19,833,777.60 and 8,743,542.40
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Solution
The fourth proportional to 13,236,515.20, 19,833,777.60 and 8,743,542.40 is: 13,101,444.96
Step by Step Solution
- Step 1: Write the proportion equation
13,236,515.20 : 19,833,777.60 = 8,743,542.40 : x - Step 2: Convert to fraction form
13,236,515.20/19,833,777.60 = 8,743,542.40/x - Step 3: Cross multiply
13,236,515.20x = 19,833,777.60 × 8,743,542.40 - Step 4: Simplify right side
13,236,515.20x = 173,417,475,397,770.25 - Step 5: Solve for x
x = 173,417,475,397,770.25/13,236,515.20 - Step 6: Final answer
x = 13,101,444.96
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1.5x scale
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.