Finding the Fourth Proportional to 18,453,642.48, 25,465,533.23 and 10,193,526.99
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Solution
The fourth proportional to 18,453,642.48, 25,465,533.23 and 10,193,526.99 is: 14,066,794.70
Step by Step Solution
- Step 1: Write the proportion equation
18,453,642.48 : 25,465,533.23 = 10,193,526.99 : x - Step 2: Convert to fraction form
18,453,642.48/25,465,533.23 = 10,193,526.99/x - Step 3: Cross multiply
18,453,642.48x = 25,465,533.23 × 10,193,526.99 - Step 4: Simplify right side
18,453,642.48x = 259,583,600,243,779.25 - Step 5: Solve for x
x = 259,583,600,243,779.25/18,453,642.48 - Step 6: Final answer
x = 14,066,794.70
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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.