Finding the Fourth Proportional to 28,273,943.53, 39,021,201.50 and 17,116,584.09
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Solution
The fourth proportional to 28,273,943.53, 39,021,201.50 and 17,116,584.09 is: 23,622,798.71
Step by Step Solution
- Step 1: Write the proportion equation
28,273,943.53 : 39,021,201.50 = 17,116,584.09 : x - Step 2: Convert to fraction form
28,273,943.53/39,021,201.50 = 17,116,584.09/x - Step 3: Cross multiply
28,273,943.53x = 39,021,201.50 × 17,116,584.09 - Step 4: Simplify right side
28,273,943.53x = 667,909,676,767,584.12 - Step 5: Solve for x
x = 667,909,676,767,584.12/28,273,943.53 - Step 6: Final answer
x = 23,622,798.71
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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.