Finding the Fourth Proportional to 38,358,308.19, 57,560,162.09 and 14,114,259.75
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Solution
The fourth proportional to 38,358,308.19, 57,560,162.09 and 14,114,259.75 is: 21,179,742.21
Step by Step Solution
- Step 1: Write the proportion equation
38,358,308.19 : 57,560,162.09 = 14,114,259.75 : x - Step 2: Convert to fraction form
38,358,308.19/57,560,162.09 = 14,114,259.75/x - Step 3: Cross multiply
38,358,308.19x = 57,560,162.09 × 14,114,259.75 - Step 4: Simplify right side
38,358,308.19x = 812,419,078,990,362.88 - Step 5: Solve for x
x = 812,419,078,990,362.88/38,358,308.19 - Step 6: Final answer
x = 21,179,742.21
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1.5x scale
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.