Finding the Fourth Proportional to 14,138,103.88, 21,206,731.96 and 3,903,589.08
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Solution
The fourth proportional to 14,138,103.88, 21,206,731.96 and 3,903,589.08 is: 5,855,266.59
Step by Step Solution
- Step 1: Write the proportion equation
14,138,103.88 : 21,206,731.96 = 3,903,589.08 : x - Step 2: Convert to fraction form
14,138,103.88/21,206,731.96 = 3,903,589.08/x - Step 3: Cross multiply
14,138,103.88x = 21,206,731.96 × 3,903,589.08 - Step 4: Simplify right side
14,138,103.88x = 82,782,367,301,543 - Step 5: Solve for x
x = 82,782,367,301,543/14,138,103.88 - Step 6: Final answer
x = 5,855,266.59
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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.