Finding the Fourth Proportional to 16,201,816.41, 22,347,971.60 and 10,391,394.81
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Solution
The fourth proportional to 16,201,816.41, 22,347,971.60 and 10,391,394.81 is: 14,333,367.95
Step by Step Solution
- Step 1: Write the proportion equation
16,201,816.41 : 22,347,971.60 = 10,391,394.81 : x - Step 2: Convert to fraction form
16,201,816.41/22,347,971.60 = 10,391,394.81/x - Step 3: Cross multiply
16,201,816.41x = 22,347,971.60 × 10,391,394.81 - Step 4: Simplify right side
16,201,816.41x = 232,226,596,046,310.41 - Step 5: Solve for x
x = 232,226,596,046,310.41/16,201,816.41 - Step 6: Final answer
x = 14,333,367.95
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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.