Finding the Fourth Proportional to 23,467,171.09, 32,386,192.73 and 13,153,896.85
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Solution
The fourth proportional to 23,467,171.09, 32,386,192.73 and 13,153,896.85 is: 18,153,216.55
Step by Step Solution
- Step 1: Write the proportion equation
23,467,171.09 : 32,386,192.73 = 13,153,896.85 : x - Step 2: Convert to fraction form
23,467,171.09/32,386,192.73 = 13,153,896.85/x - Step 3: Cross multiply
23,467,171.09x = 32,386,192.73 × 13,153,896.85 - Step 4: Simplify right side
23,467,171.09x = 426,004,638,534,639.88 - Step 5: Solve for x
x = 426,004,638,534,639.88/23,467,171.09 - Step 6: Final answer
x = 18,153,216.55
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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.