Finding the Fourth Proportional to 30,246,373.99, 41,732,821.72 and 17,192,605.35
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Solution
The fourth proportional to 30,246,373.99, 41,732,821.72 and 17,192,605.35 is: 23,721,717.33
Step by Step Solution
- Step 1: Write the proportion equation
30,246,373.99 : 41,732,821.72 = 17,192,605.35 : x - Step 2: Convert to fraction form
30,246,373.99/41,732,821.72 = 17,192,605.35/x - Step 3: Cross multiply
30,246,373.99x = 41,732,821.72 × 17,192,605.35 - Step 4: Simplify right side
30,246,373.99x = 717,495,934,151,857.12 - Step 5: Solve for x
x = 717,495,934,151,857.12/30,246,373.99 - Step 6: Final answer
x = 23,721,717.33
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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.