Finding the Fourth Proportional to 10,908,135.21, 15,053,272.20 and 6,013,250.13
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Solution
The fourth proportional to 10,908,135.21, 15,053,272.20 and 6,013,250.13 is: 8,298,310.32
Step by Step Solution
- Step 1: Write the proportion equation
10,908,135.21 : 15,053,272.20 = 6,013,250.13 : x - Step 2: Convert to fraction form
10,908,135.21/15,053,272.20 = 6,013,250.13/x - Step 3: Cross multiply
10,908,135.21x = 15,053,272.20 × 6,013,250.13 - Step 4: Simplify right side
10,908,135.21x = 90,519,091,070,025.16 - Step 5: Solve for x
x = 90,519,091,070,025.16/10,908,135.21 - Step 6: Final answer
x = 8,298,310.32
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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.