Finding the Fourth Proportional to 7,343,140.66, 10,133,305.64 and 4,035,427.09
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Solution
The fourth proportional to 7,343,140.66, 10,133,305.64 and 4,035,427.09 is: 5,568,763.83
Step by Step Solution
- Step 1: Write the proportion equation
7,343,140.66 : 10,133,305.64 = 4,035,427.09 : x - Step 2: Convert to fraction form
7,343,140.66/10,133,305.64 = 4,035,427.09/x - Step 3: Cross multiply
7,343,140.66x = 10,133,305.64 × 4,035,427.09 - Step 4: Simplify right side
7,343,140.66x = 40,892,216,060,528.24 - Step 5: Solve for x
x = 40,892,216,060,528.24/7,343,140.66 - Step 6: Final answer
x = 5,568,763.83
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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.