Finding the Fourth Proportional to 14,485,023.09, 19,984,388.06 and 8,976,388.02
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Solution
The fourth proportional to 14,485,023.09, 19,984,388.06 and 8,976,388.02 is: 12,384,351.78
Step by Step Solution
- Step 1: Write the proportion equation
14,485,023.09 : 19,984,388.06 = 8,976,388.02 : x - Step 2: Convert to fraction form
14,485,023.09/19,984,388.06 = 8,976,388.02/x - Step 3: Cross multiply
14,485,023.09x = 19,984,388.06 × 8,976,388.02 - Step 4: Simplify right side
14,485,023.09x = 179,387,621,523,933.09 - Step 5: Solve for x
x = 179,387,621,523,933.09/14,485,023.09 - Step 6: Final answer
x = 12,384,351.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.