Finding the Fourth Proportional to 29,084,644.76, 40,138,605.50 and 16,031,874.24
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Solution
The fourth proportional to 29,084,644.76, 40,138,605.50 and 16,031,874.24 is: 22,124,976.28
Step by Step Solution
- Step 1: Write the proportion equation
29,084,644.76 : 40,138,605.50 = 16,031,874.24 : x - Step 2: Convert to fraction form
29,084,644.76/40,138,605.50 = 16,031,874.24/x - Step 3: Cross multiply
29,084,644.76x = 40,138,605.50 × 16,031,874.24 - Step 4: Simplify right side
29,084,644.76x = 643,497,075,544,972.38 - Step 5: Solve for x
x = 643,497,075,544,972.38/29,084,644.76 - Step 6: Final answer
x = 22,124,976.28
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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.