Finding the Fourth Proportional to 27,548,764.70, 38,016,153.67 and 14,989,871.21
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Solution
The fourth proportional to 27,548,764.70, 38,016,153.67 and 14,989,871.21 is: 20,685,401.08
Step by Step Solution
- Step 1: Write the proportion equation
27,548,764.70 : 38,016,153.67 = 14,989,871.21 : x - Step 2: Convert to fraction form
27,548,764.70/38,016,153.67 = 14,989,871.21/x - Step 3: Cross multiply
27,548,764.70x = 38,016,153.67 × 14,989,871.21 - Step 4: Simplify right side
27,548,764.70x = 569,857,247,185,313.38 - Step 5: Solve for x
x = 569,857,247,185,313.38/27,548,764.70 - Step 6: Final answer
x = 20,685,401.08
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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.