Finding the Fourth Proportional to 27,324,005.70, 40,986,008.55 and 7,129,247.70
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Solution
The fourth proportional to 27,324,005.70, 40,986,008.55 and 7,129,247.70 is: 10,693,871.55
Step by Step Solution
- Step 1: Write the proportion equation
27,324,005.70 : 40,986,008.55 = 7,129,247.70 : x - Step 2: Convert to fraction form
27,324,005.70/40,986,008.55 = 7,129,247.70/x - Step 3: Cross multiply
27,324,005.70x = 40,986,008.55 × 7,129,247.70 - Step 4: Simplify right side
27,324,005.70x = 292,199,407,187,267.81 - Step 5: Solve for x
x = 292,199,407,187,267.81/27,324,005.70 - Step 6: Final answer
x = 10,693,871.55
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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.