Finding the Fourth Proportional to 23,079,866.09, 31,683,430.67 and 19,811,005.79
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Solution
The fourth proportional to 23,079,866.09, 31,683,430.67 and 19,811,005.79 is: 27,196,025.57
Step by Step Solution
- Step 1: Write the proportion equation
23,079,866.09 : 31,683,430.67 = 19,811,005.79 : x - Step 2: Convert to fraction form
23,079,866.09/31,683,430.67 = 19,811,005.79/x - Step 3: Cross multiply
23,079,866.09x = 31,683,430.67 × 19,811,005.79 - Step 4: Simplify right side
23,079,866.09x = 627,680,628,192,961.38 - Step 5: Solve for x
x = 627,680,628,192,961.38/23,079,866.09 - Step 6: Final answer
x = 27,196,025.57
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.