Finding the Fourth Proportional to 10,728,220.20, 16,092,330.30 and 4,335,181.80
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Solution
The fourth proportional to 10,728,220.20, 16,092,330.30 and 4,335,181.80 is: 6,502,772.70
Step by Step Solution
- Step 1: Write the proportion equation
10,728,220.20 : 16,092,330.30 = 4,335,181.80 : x - Step 2: Convert to fraction form
10,728,220.20/16,092,330.30 = 4,335,181.80/x - Step 3: Cross multiply
10,728,220.20x = 16,092,330.30 × 4,335,181.80 - Step 4: Simplify right side
10,728,220.20x = 69,763,177,436,148.54 - Step 5: Solve for x
x = 69,763,177,436,148.54/10,728,220.20 - Step 6: Final answer
x = 6,502,772.70
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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.