Finding the Fourth Proportional to 12,015,739.26, 18,027,632.97 and 3,929,088.06
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Solution
The fourth proportional to 12,015,739.26, 18,027,632.97 and 3,929,088.06 is: 5,894,947.94
Step by Step Solution
- Step 1: Write the proportion equation
12,015,739.26 : 18,027,632.97 = 3,929,088.06 : x - Step 2: Convert to fraction form
12,015,739.26/18,027,632.97 = 3,929,088.06/x - Step 3: Cross multiply
12,015,739.26x = 18,027,632.97 × 3,929,088.06 - Step 4: Simplify right side
12,015,739.26x = 70,832,157,452,489.33 - Step 5: Solve for x
x = 70,832,157,452,489.33/12,015,739.26 - Step 6: Final answer
x = 5,894,947.94
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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.