Finding the Fourth Proportional to 11,382,986.93, 15,708,568.97 and 6,155,994.98
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Solution
The fourth proportional to 11,382,986.93, 15,708,568.97 and 6,155,994.98 is: 8,495,298.49
Step by Step Solution
- Step 1: Write the proportion equation
11,382,986.93 : 15,708,568.97 = 6,155,994.98 : x - Step 2: Convert to fraction form
11,382,986.93/15,708,568.97 = 6,155,994.98/x - Step 3: Cross multiply
11,382,986.93x = 15,708,568.97 × 6,155,994.98 - Step 4: Simplify right side
11,382,986.93x = 96,701,871,691,523.80 - Step 5: Solve for x
x = 96,701,871,691,523.80/11,382,986.93 - Step 6: Final answer
x = 8,495,298.49
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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.