Finding the Fourth Proportional to 25,809,273.76, 38,740,813.92 and 11,442,430.96
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Solution
The fourth proportional to 25,809,273.76, 38,740,813.92 and 11,442,430.96 is: 17,175,573.89
Step by Step Solution
- Step 1: Write the proportion equation
25,809,273.76 : 38,740,813.92 = 11,442,430.96 : x - Step 2: Convert to fraction form
25,809,273.76/38,740,813.92 = 11,442,430.96/x - Step 3: Cross multiply
25,809,273.76x = 38,740,813.92 × 11,442,430.96 - Step 4: Simplify right side
25,809,273.76x = 443,289,088,613,807 - Step 5: Solve for x
x = 443,289,088,613,807/25,809,273.76 - Step 6: Final answer
x = 17,175,573.89
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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.