Finding the Fourth Proportional to 27,721,555.20, 38,253,804.12 and 16,118,295.48
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Solution
The fourth proportional to 27,721,555.20, 38,253,804.12 and 16,118,295.48 is: 22,242,118.58
Step by Step Solution
- Step 1: Write the proportion equation
27,721,555.20 : 38,253,804.12 = 16,118,295.48 : x - Step 2: Convert to fraction form
27,721,555.20/38,253,804.12 = 16,118,295.48/x - Step 3: Cross multiply
27,721,555.20x = 38,253,804.12 × 16,118,295.48 - Step 4: Simplify right side
27,721,555.20x = 616,586,118,040,201.38 - Step 5: Solve for x
x = 616,586,118,040,201.38/27,721,555.20 - Step 6: Final answer
x = 22,242,118.58
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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.