Finding the Fourth Proportional to 17,391,639.40, 26,079,585.90 and 6,605,355.40
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Solution
The fourth proportional to 17,391,639.40, 26,079,585.90 and 6,605,355.40 is: 9,905,042.85
Step by Step Solution
- Step 1: Write the proportion equation
17,391,639.40 : 26,079,585.90 = 6,605,355.40 : x - Step 2: Convert to fraction form
17,391,639.40/26,079,585.90 = 6,605,355.40/x - Step 3: Cross multiply
17,391,639.40x = 26,079,585.90 × 6,605,355.40 - Step 4: Simplify right side
17,391,639.40x = 172,264,933,554,328.88 - Step 5: Solve for x
x = 172,264,933,554,328.88/17,391,639.40 - Step 6: Final answer
x = 9,905,042.85
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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.