Finding the Fourth Proportional to 11,163,233.16, 15,404,315.94 and 6,754,600.80
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Solution
The fourth proportional to 11,163,233.16, 15,404,315.94 and 6,754,600.80 is: 9,320,776.81
Step by Step Solution
- Step 1: Write the proportion equation
11,163,233.16 : 15,404,315.94 = 6,754,600.80 : x - Step 2: Convert to fraction form
11,163,233.16/15,404,315.94 = 6,754,600.80/x - Step 3: Cross multiply
11,163,233.16x = 15,404,315.94 × 6,754,600.80 - Step 4: Simplify right side
11,163,233.16x = 104,050,004,771,776.75 - Step 5: Solve for x
x = 104,050,004,771,776.75/11,163,233.16 - Step 6: Final answer
x = 9,320,776.81
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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.