Finding the Fourth Proportional to 17,133,192.18, 25,707,636.35 and 7,420,775.73
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Solution
The fourth proportional to 17,133,192.18, 25,707,636.35 and 7,420,775.73 is: 11,134,562.78
Step by Step Solution
- Step 1: Write the proportion equation
17,133,192.18 : 25,707,636.35 = 7,420,775.73 : x - Step 2: Convert to fraction form
17,133,192.18/25,707,636.35 = 7,420,775.73/x - Step 3: Cross multiply
17,133,192.18x = 25,707,636.35 × 7,420,775.73 - Step 4: Simplify right side
17,133,192.18x = 190,770,603,864,641.91 - Step 5: Solve for x
x = 190,770,603,864,641.91/17,133,192.18 - Step 6: Final answer
x = 11,134,562.78
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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.