Finding the Fourth Proportional to 34,890,057.28, 48,148,281.36 and 19,419,809.92
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Solution
The fourth proportional to 34,890,057.28, 48,148,281.36 and 19,419,809.92 is: 26,799,338.98
Step by Step Solution
- Step 1: Write the proportion equation
34,890,057.28 : 48,148,281.36 = 19,419,809.92 : x - Step 2: Convert to fraction form
34,890,057.28/48,148,281.36 = 19,419,809.92/x - Step 3: Cross multiply
34,890,057.28x = 48,148,281.36 × 19,419,809.92 - Step 4: Simplify right side
34,890,057.28x = 935,030,471,985,879.12 - Step 5: Solve for x
x = 935,030,471,985,879.12/34,890,057.28 - Step 6: Final answer
x = 26,799,338.98
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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.