Finding the Fourth Proportional to 29,968,418.75, 41,356,417.46 and 16,217,382.87
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Solution
The fourth proportional to 29,968,418.75, 41,356,417.46 and 16,217,382.87 is: 22,379,988.14
Step by Step Solution
- Step 1: Write the proportion equation
29,968,418.75 : 41,356,417.46 = 16,217,382.87 : x - Step 2: Convert to fraction form
29,968,418.75/41,356,417.46 = 16,217,382.87/x - Step 3: Cross multiply
29,968,418.75x = 41,356,417.46 × 16,217,382.87 - Step 4: Simplify right side
29,968,418.75x = 670,692,855,999,285.88 - Step 5: Solve for x
x = 670,692,855,999,285.88/29,968,418.75 - Step 6: Final answer
x = 22,379,988.14
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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.