Finding the Fourth Proportional to 18,269,414.24, 25,208,586.93 and 10,425,345.08
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Solution
The fourth proportional to 18,269,414.24, 25,208,586.93 and 10,425,345.08 is: 14,385,147.45
Step by Step Solution
- Step 1: Write the proportion equation
18,269,414.24 : 25,208,586.93 = 10,425,345.08 : x - Step 2: Convert to fraction form
18,269,414.24/25,208,586.93 = 10,425,345.08/x - Step 3: Cross multiply
18,269,414.24x = 25,208,586.93 × 10,425,345.08 - Step 4: Simplify right side
18,269,414.24x = 262,808,217,724,427.81 - Step 5: Solve for x
x = 262,808,217,724,427.81/18,269,414.24 - Step 6: Final answer
x = 14,385,147.45
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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.