Finding the Fourth Proportional to 12,642,968.28, 17,447,295.87 and 6,841,749.99
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Solution
The fourth proportional to 12,642,968.28, 17,447,295.87 and 6,841,749.99 is: 9,441,614.79
Step by Step Solution
- Step 1: Write the proportion equation
12,642,968.28 : 17,447,295.87 = 6,841,749.99 : x - Step 2: Convert to fraction form
12,642,968.28/17,447,295.87 = 6,841,749.99/x - Step 3: Cross multiply
12,642,968.28x = 17,447,295.87 × 6,841,749.99 - Step 4: Simplify right side
12,642,968.28x = 119,370,036,344,099.55 - Step 5: Solve for x
x = 119,370,036,344,099.55/12,642,968.28 - Step 6: Final answer
x = 9,441,614.79
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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.