Finding the Fourth Proportional to 21,599,129.12, 29,806,801.00 and 11,809,580.09
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Solution
The fourth proportional to 21,599,129.12, 29,806,801.00 and 11,809,580.09 is: 16,297,222.06
Step by Step Solution
- Step 1: Write the proportion equation
21,599,129.12 : 29,806,801.00 = 11,809,580.09 : x - Step 2: Convert to fraction form
21,599,129.12/29,806,801.00 = 11,809,580.09/x - Step 3: Cross multiply
21,599,129.12x = 29,806,801.00 × 11,809,580.09 - Step 4: Simplify right side
21,599,129.12x = 352,005,803,457,634.12 - Step 5: Solve for x
x = 352,005,803,457,634.12/21,599,129.12 - Step 6: Final answer
x = 16,297,222.06
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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.