Finding the Fourth Proportional to 11,065,371.96, 15,270,279.93 and 6,170,903.49
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Solution
The fourth proportional to 11,065,371.96, 15,270,279.93 and 6,170,903.49 is: 8,515,883.97
Step by Step Solution
- Step 1: Write the proportion equation
11,065,371.96 : 15,270,279.93 = 6,170,903.49 : x - Step 2: Convert to fraction form
11,065,371.96/15,270,279.93 = 6,170,903.49/x - Step 3: Cross multiply
11,065,371.96x = 15,270,279.93 × 6,170,903.49 - Step 4: Simplify right side
11,065,371.96x = 94,231,423,713,313.95 - Step 5: Solve for x
x = 94,231,423,713,313.95/11,065,371.96 - Step 6: Final answer
x = 8,515,883.97
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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.