Finding the Fourth Proportional to 10,368,523.80, 15,552,785.70 and 3,634,507.80
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Solution
The fourth proportional to 10,368,523.80, 15,552,785.70 and 3,634,507.80 is: 5,451,761.70
Step by Step Solution
- Step 1: Write the proportion equation
10,368,523.80 : 15,552,785.70 = 3,634,507.80 : x - Step 2: Convert to fraction form
10,368,523.80/15,552,785.70 = 3,634,507.80/x - Step 3: Cross multiply
10,368,523.80x = 15,552,785.70 × 3,634,507.80 - Step 4: Simplify right side
10,368,523.80x = 56,526,720,938,378.45 - Step 5: Solve for x
x = 56,526,720,938,378.45/10,368,523.80 - Step 6: Final answer
x = 5,451,761.70
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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.