Finding the Fourth Proportional to 13,236,469.20, 19,854,703.80 and 4,726,414.80
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Solution
The fourth proportional to 13,236,469.20, 19,854,703.80 and 4,726,414.80 is: 7,089,622.20
Step by Step Solution
- Step 1: Write the proportion equation
13,236,469.20 : 19,854,703.80 = 4,726,414.80 : x - Step 2: Convert to fraction form
13,236,469.20/19,854,703.80 = 4,726,414.80/x - Step 3: Cross multiply
13,236,469.20x = 19,854,703.80 × 4,726,414.80 - Step 4: Simplify right side
13,236,469.20x = 93,841,565,889,936.23 - Step 5: Solve for x
x = 93,841,565,889,936.23/13,236,469.20 - Step 6: Final answer
x = 7,089,622.20
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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.