Finding the Fourth Proportional to 14,139,437.49, 21,179,729.75 and 8,996,391.09
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Solution
The fourth proportional to 14,139,437.49, 21,179,729.75 and 8,996,391.09 is: 13,475,863.67
Step by Step Solution
- Step 1: Write the proportion equation
14,139,437.49 : 21,179,729.75 = 8,996,391.09 : x - Step 2: Convert to fraction form
14,139,437.49/21,179,729.75 = 8,996,391.09/x - Step 3: Cross multiply
14,139,437.49x = 21,179,729.75 × 8,996,391.09 - Step 4: Simplify right side
14,139,437.49x = 190,541,131,966,525.97 - Step 5: Solve for x
x = 190,541,131,966,525.97/14,139,437.49 - Step 6: Final answer
x = 13,475,863.67
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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.