Finding the Fourth Proportional to 22,027,720.80, 32,976,262.80 and 16,373,013.60
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Solution
The fourth proportional to 22,027,720.80, 32,976,262.80 and 16,373,013.60 is: 24,510,969.80
Step by Step Solution
- Step 1: Write the proportion equation
22,027,720.80 : 32,976,262.80 = 16,373,013.60 : x - Step 2: Convert to fraction form
22,027,720.80/32,976,262.80 = 16,373,013.60/x - Step 3: Cross multiply
22,027,720.80x = 32,976,262.80 × 16,373,013.60 - Step 4: Simplify right side
22,027,720.80x = 539,920,799,301,574.06 - Step 5: Solve for x
x = 539,920,799,301,574.06/22,027,720.80 - Step 6: Final answer
x = 24,510,969.80
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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.