Finding the Fourth Proportional to 20,458,247.94, 30,693,129.12 and 8,944,726.23
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Solution
The fourth proportional to 20,458,247.94, 30,693,129.12 and 8,944,726.23 is: 13,419,606.50
Step by Step Solution
- Step 1: Write the proportion equation
20,458,247.94 : 30,693,129.12 = 8,944,726.23 : x - Step 2: Convert to fraction form
20,458,247.94/30,693,129.12 = 8,944,726.23/x - Step 3: Cross multiply
20,458,247.94x = 30,693,129.12 × 8,944,726.23 - Step 4: Simplify right side
20,458,247.94x = 274,541,637,120,440.84 - Step 5: Solve for x
x = 274,541,637,120,440.84/20,458,247.94 - Step 6: Final answer
x = 13,419,606.50
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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.