Finding the Fourth Proportional to 14,508,022.41, 20,021,040.99 and 7,981,636.23
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Solution
The fourth proportional to 14,508,022.41, 20,021,040.99 and 7,981,636.23 is: 11,014,641.53
Step by Step Solution
- Step 1: Write the proportion equation
14,508,022.41 : 20,021,040.99 = 7,981,636.23 : x - Step 2: Convert to fraction form
14,508,022.41/20,021,040.99 = 7,981,636.23/x - Step 3: Cross multiply
14,508,022.41x = 20,021,040.99 × 7,981,636.23 - Step 4: Simplify right side
14,508,022.41x = 159,800,666,128,099.06 - Step 5: Solve for x
x = 159,800,666,128,099.06/14,508,022.41 - Step 6: Final answer
x = 11,014,641.53
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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.