Finding the Fourth Proportional to 10,126,316.28, 13,974,447.72 and 5,542,539.24
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Solution
The fourth proportional to 10,126,316.28, 13,974,447.72 and 5,542,539.24 is: 7,648,775.99
Step by Step Solution
- Step 1: Write the proportion equation
10,126,316.28 : 13,974,447.72 = 5,542,539.24 : x - Step 2: Convert to fraction form
10,126,316.28/13,974,447.72 = 5,542,539.24/x - Step 3: Cross multiply
10,126,316.28x = 13,974,447.72 × 5,542,539.24 - Step 4: Simplify right side
10,126,316.28x = 77,453,924,845,428.55 - Step 5: Solve for x
x = 77,453,924,845,428.55/10,126,316.28 - Step 6: Final answer
x = 7,648,775.99
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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.