Finding the Fourth Proportional to 12,867,132.42, 17,760,628.49 and 8,283,453.75
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Solution
The fourth proportional to 12,867,132.42, 17,760,628.49 and 8,283,453.75 is: 11,433,732.07
Step by Step Solution
- Step 1: Write the proportion equation
12,867,132.42 : 17,760,628.49 = 8,283,453.75 : x - Step 2: Convert to fraction form
12,867,132.42/17,760,628.49 = 8,283,453.75/x - Step 3: Cross multiply
12,867,132.42x = 17,760,628.49 × 8,283,453.75 - Step 4: Simplify right side
12,867,132.42x = 147,119,344,626,430.06 - Step 5: Solve for x
x = 147,119,344,626,430.06/12,867,132.42 - Step 6: Final answer
x = 11,433,732.07
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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.