Finding the Fourth Proportional to 23,193,791.68, 32,007,866.16 and 12,881,480.80
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Solution
The fourth proportional to 23,193,791.68, 32,007,866.16 and 12,881,480.80 is: 17,776,684.34
Step by Step Solution
- Step 1: Write the proportion equation
23,193,791.68 : 32,007,866.16 = 12,881,480.80 : x - Step 2: Convert to fraction form
23,193,791.68/32,007,866.16 = 12,881,480.80/x - Step 3: Cross multiply
23,193,791.68x = 32,007,866.16 × 12,881,480.80 - Step 4: Simplify right side
23,193,791.68x = 412,308,713,389,009.75 - Step 5: Solve for x
x = 412,308,713,389,009.75/23,193,791.68 - Step 6: Final answer
x = 17,776,684.34
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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.