Finding the Fourth Proportional to 14,415,754.98, 19,893,554.73 and 7,889,265.84
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Solution
The fourth proportional to 14,415,754.98, 19,893,554.73 and 7,889,265.84 is: 10,887,084.44
Step by Step Solution
- Step 1: Write the proportion equation
14,415,754.98 : 19,893,554.73 = 7,889,265.84 : x - Step 2: Convert to fraction form
14,415,754.98/19,893,554.73 = 7,889,265.84/x - Step 3: Cross multiply
14,415,754.98x = 19,893,554.73 × 7,889,265.84 - Step 4: Simplify right side
14,415,754.98x = 156,945,541,767,559.44 - Step 5: Solve for x
x = 156,945,541,767,559.44/14,415,754.98 - Step 6: Final answer
x = 10,887,084.44
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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.