Finding the Fourth Proportional to 14,414,125.38, 19,891,494.99 and 7,887,756.39
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Solution
The fourth proportional to 14,414,125.38, 19,891,494.99 and 7,887,756.39 is: 10,885,104.89
Step by Step Solution
- Step 1: Write the proportion equation
14,414,125.38 : 19,891,494.99 = 7,887,756.39 : x - Step 2: Convert to fraction form
14,414,125.38/19,891,494.99 = 7,887,756.39/x - Step 3: Cross multiply
14,414,125.38x = 19,891,494.99 × 7,887,756.39 - Step 4: Simplify right side
14,414,125.38x = 156,899,266,714,025.47 - Step 5: Solve for x
x = 156,899,266,714,025.47/14,414,125.38 - Step 6: Final answer
x = 10,885,104.89
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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.