Finding the Fourth Proportional to 13,227,515.63, 19,841,340.31 and 4,128,850.49
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Solution
The fourth proportional to 13,227,515.63, 19,841,340.31 and 4,128,850.49 is: 6,193,296.61
Step by Step Solution
- Step 1: Write the proportion equation
13,227,515.63 : 19,841,340.31 = 4,128,850.49 : x - Step 2: Convert to fraction form
13,227,515.63/19,841,340.31 = 4,128,850.49/x - Step 3: Cross multiply
13,227,515.63x = 19,841,340.31 × 4,128,850.49 - Step 4: Simplify right side
13,227,515.63x = 81,921,927,700,481.48 - Step 5: Solve for x
x = 81,921,927,700,481.48/13,227,515.63 - Step 6: Final answer
x = 6,193,296.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.