Finding the Fourth Proportional to 18,348,166.40, 27,484,406.40 and 10,752,108.80
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Solution
The fourth proportional to 18,348,166.40, 27,484,406.40 and 10,752,108.80 is: 16,105,986.91
Step by Step Solution
- Step 1: Write the proportion equation
18,348,166.40 : 27,484,406.40 = 10,752,108.80 : x - Step 2: Convert to fraction form
18,348,166.40/27,484,406.40 = 10,752,108.80/x - Step 3: Cross multiply
18,348,166.40x = 27,484,406.40 × 10,752,108.80 - Step 4: Simplify right side
18,348,166.40x = 295,515,327,916,216.31 - Step 5: Solve for x
x = 295,515,327,916,216.31/18,348,166.40 - Step 6: Final answer
x = 16,105,986.91
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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.