Finding the Fourth Proportional to 11,160,935.67, 15,400,898.35 and 6,266,695.75
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Solution
The fourth proportional to 11,160,935.67, 15,400,898.35 and 6,266,695.75 is: 8,647,370.35
Step by Step Solution
- Step 1: Write the proportion equation
11,160,935.67 : 15,400,898.35 = 6,266,695.75 : x - Step 2: Convert to fraction form
11,160,935.67/15,400,898.35 = 6,266,695.75/x - Step 3: Cross multiply
11,160,935.67x = 15,400,898.35 × 6,266,695.75 - Step 4: Simplify right side
11,160,935.67x = 96,512,744,236,127.02 - Step 5: Solve for x
x = 96,512,744,236,127.02/11,160,935.67 - Step 6: Final answer
x = 8,647,370.35
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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.