Finding the Fourth Proportional to 14,785,163.31, 20,403,095.84 and 8,169,646.66
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Solution
The fourth proportional to 14,785,163.31, 20,403,095.84 and 8,169,646.66 is: 11,273,875.05
Step by Step Solution
- Step 1: Write the proportion equation
14,785,163.31 : 20,403,095.84 = 8,169,646.66 : x - Step 2: Convert to fraction form
14,785,163.31/20,403,095.84 = 8,169,646.66/x - Step 3: Cross multiply
14,785,163.31x = 20,403,095.84 × 8,169,646.66 - Step 4: Simplify right side
14,785,163.31x = 166,686,083,721,696.09 - Step 5: Solve for x
x = 166,686,083,721,696.09/14,785,163.31 - Step 6: Final answer
x = 11,273,875.05
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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.