Finding the Fourth Proportional to 27,129,177.40, 40,693,766.10 and 22,027,343.80
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Solution
The fourth proportional to 27,129,177.40, 40,693,766.10 and 22,027,343.80 is: 33,041,015.70
Step by Step Solution
- Step 1: Write the proportion equation
27,129,177.40 : 40,693,766.10 = 22,027,343.80 : x - Step 2: Convert to fraction form
27,129,177.40/40,693,766.10 = 22,027,343.80/x - Step 3: Cross multiply
27,129,177.40x = 40,693,766.10 × 22,027,343.80 - Step 4: Simplify right side
27,129,177.40x = 896,375,576,401,485.25 - Step 5: Solve for x
x = 896,375,576,401,485.25/27,129,177.40 - Step 6: Final answer
x = 33,041,015.70
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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.