Finding the Fourth Proportional to 11,083,038.49, 15,286,176.49 and 9,536,891.18
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Solution
The fourth proportional to 11,083,038.49, 15,286,176.49 and 9,536,891.18 is: 13,153,667.37
Step by Step Solution
- Step 1: Write the proportion equation
11,083,038.49 : 15,286,176.49 = 9,536,891.18 : x - Step 2: Convert to fraction form
11,083,038.49/15,286,176.49 = 9,536,891.18/x - Step 3: Cross multiply
11,083,038.49x = 15,286,176.49 × 9,536,891.18 - Step 4: Simplify right side
11,083,038.49x = 145,782,601,695,719.91 - Step 5: Solve for x
x = 145,782,601,695,719.91/11,083,038.49 - Step 6: Final answer
x = 13,153,667.37
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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.