Finding the Fourth Proportional to 14,509,287.48, 20,023,126.80 and 7,982,935.68
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Solution
The fourth proportional to 14,509,287.48, 20,023,126.80 and 7,982,935.68 is: 11,016,621.84
Step by Step Solution
- Step 1: Write the proportion equation
14,509,287.48 : 20,023,126.80 = 7,982,935.68 : x - Step 2: Convert to fraction form
14,509,287.48/20,023,126.80 = 7,982,935.68/x - Step 3: Cross multiply
14,509,287.48x = 20,023,126.80 × 7,982,935.68 - Step 4: Simplify right side
14,509,287.48x = 159,843,333,356,884.22 - Step 5: Solve for x
x = 159,843,333,356,884.22/14,509,287.48 - Step 6: Final answer
x = 11,016,621.84
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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.