Finding the Fourth Proportional to 29,968,355.05, 41,356,329.83 and 16,217,319.18
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Solution
The fourth proportional to 29,968,355.05, 41,356,329.83 and 16,217,319.18 is: 22,379,900.39
Step by Step Solution
- Step 1: Write the proportion equation
29,968,355.05 : 41,356,329.83 = 16,217,319.18 : x - Step 2: Convert to fraction form
29,968,355.05/41,356,329.83 = 16,217,319.18/x - Step 3: Cross multiply
29,968,355.05x = 41,356,329.83 × 16,217,319.18 - Step 4: Simplify right side
29,968,355.05x = 670,688,800,966,465.12 - Step 5: Solve for x
x = 670,688,800,966,465.12/29,968,355.05 - Step 6: Final answer
x = 22,379,900.39
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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.