Finding the Fourth Proportional to 14,413,534.43, 19,890,677.21 and 7,887,163.64
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Solution
The fourth proportional to 14,413,534.43, 19,890,677.21 and 7,887,163.64 is: 10,884,285.65
Step by Step Solution
- Step 1: Write the proportion equation
14,413,534.43 : 19,890,677.21 = 7,887,163.64 : x - Step 2: Convert to fraction form
14,413,534.43/19,890,677.21 = 7,887,163.64/x - Step 3: Cross multiply
14,413,534.43x = 19,890,677.21 × 7,887,163.64 - Step 4: Simplify right side
14,413,534.43x = 156,881,025,926,799.41 - Step 5: Solve for x
x = 156,881,025,926,799.41/14,413,534.43 - Step 6: Final answer
x = 10,884,285.65
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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.