Finding the Fourth Proportional to 14,793,862.49, 20,413,762.12 and 8,177,557.18
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Solution
The fourth proportional to 14,793,862.49, 20,413,762.12 and 8,177,557.18 is: 11,284,051.55
Step by Step Solution
- Step 1: Write the proportion equation
14,793,862.49 : 20,413,762.12 = 8,177,557.18 : x - Step 2: Convert to fraction form
14,793,862.49/20,413,762.12 = 8,177,557.18/x - Step 3: Cross multiply
14,793,862.49x = 20,413,762.12 × 8,177,557.18 - Step 4: Simplify right side
14,793,862.49x = 166,934,706,954,330.22 - Step 5: Solve for x
x = 166,934,706,954,330.22/14,793,862.49 - Step 6: Final answer
x = 11,284,051.55
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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.