Finding the Fourth Proportional to 18,103,123.53, 24,982,122.60 and 13,477,593.94
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Solution
The fourth proportional to 18,103,123.53, 24,982,122.60 and 13,477,593.94 is: 18,598,939.77
Step by Step Solution
- Step 1: Write the proportion equation
18,103,123.53 : 24,982,122.60 = 13,477,593.94 : x - Step 2: Convert to fraction form
18,103,123.53/24,982,122.60 = 13,477,593.94/x - Step 3: Cross multiply
18,103,123.53x = 24,982,122.60 × 13,477,593.94 - Step 4: Simplify right side
18,103,123.53x = 336,698,904,099,641.75 - Step 5: Solve for x
x = 336,698,904,099,641.75/18,103,123.53 - Step 6: Final answer
x = 18,598,939.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.