Finding the Fourth Proportional to 7,995,689.40, 11,034,009.90 and 4,324,602.12
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Solution
The fourth proportional to 7,995,689.40, 11,034,009.90 and 4,324,602.12 is: 5,967,928.49
Step by Step Solution
- Step 1: Write the proportion equation
7,995,689.40 : 11,034,009.90 = 4,324,602.12 : x - Step 2: Convert to fraction form
7,995,689.40/11,034,009.90 = 4,324,602.12/x - Step 3: Cross multiply
7,995,689.40x = 11,034,009.90 × 4,324,602.12 - Step 4: Simplify right side
7,995,689.40x = 47,717,702,605,640.99 - Step 5: Solve for x
x = 47,717,702,605,640.99/7,995,689.40 - Step 6: Final answer
x = 5,967,928.49
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1.5x scale
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.