Finding the Fourth Proportional to 11,660,671.12, 16,091,750.64 and 6,503,900.08
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Solution
The fourth proportional to 11,660,671.12, 16,091,750.64 and 6,503,900.08 is: 8,975,395.77
Step by Step Solution
- Step 1: Write the proportion equation
11,660,671.12 : 16,091,750.64 = 6,503,900.08 : x - Step 2: Convert to fraction form
11,660,671.12/16,091,750.64 = 6,503,900.08/x - Step 3: Cross multiply
11,660,671.12x = 16,091,750.64 × 6,503,900.08 - Step 4: Simplify right side
11,660,671.12x = 104,659,138,274,836.06 - Step 5: Solve for x
x = 104,659,138,274,836.06/11,660,671.12 - Step 6: Final answer
x = 8,975,395.77
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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.