Finding the Fourth Proportional to 38,346,060.24, 57,407,465.76 and 20,107,005.12
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Solution
The fourth proportional to 38,346,060.24, 57,407,465.76 and 20,107,005.12 is: 30,101,976.60
Step by Step Solution
- Step 1: Write the proportion equation
38,346,060.24 : 57,407,465.76 = 20,107,005.12 : x - Step 2: Convert to fraction form
38,346,060.24/57,407,465.76 = 20,107,005.12/x - Step 3: Cross multiply
38,346,060.24x = 57,407,465.76 × 20,107,005.12 - Step 4: Simplify right side
38,346,060.24x = 1,154,292,207,962,544.75 - Step 5: Solve for x
x = 1,154,292,207,962,544.75/38,346,060.24 - Step 6: Final answer
x = 30,101,976.60
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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.