Finding the Fourth Proportional to 10,351,160.53, 15,526,738.75 and 2,778,126.28
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Solution
The fourth proportional to 10,351,160.53, 15,526,738.75 and 2,778,126.28 is: 4,167,188.87
Step by Step Solution
- Step 1: Write the proportion equation
10,351,160.53 : 15,526,738.75 = 2,778,126.28 : x - Step 2: Convert to fraction form
10,351,160.53/15,526,738.75 = 2,778,126.28/x - Step 3: Cross multiply
10,351,160.53x = 15,526,738.75 × 2,778,126.28 - Step 4: Simplify right side
10,351,160.53x = 43,135,240,955,461.43 - Step 5: Solve for x
x = 43,135,240,955,461.43/10,351,160.53 - Step 6: Final answer
x = 4,167,188.87
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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.