Finding the Fourth Proportional to 10,431,036.05, 15,646,554.08 and 6,651,900.05
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Solution
The fourth proportional to 10,431,036.05, 15,646,554.08 and 6,651,900.05 is: 9,977,850.08
Step by Step Solution
- Step 1: Write the proportion equation
10,431,036.05 : 15,646,554.08 = 6,651,900.05 : x - Step 2: Convert to fraction form
10,431,036.05/15,646,554.08 = 6,651,900.05/x - Step 3: Cross multiply
10,431,036.05x = 15,646,554.08 × 6,651,900.05 - Step 4: Simplify right side
10,431,036.05x = 104,079,313,833,820.20 - Step 5: Solve for x
x = 104,079,313,833,820.20/10,431,036.05 - Step 6: Final answer
x = 9,977,850.08
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.