Finding the Fourth Proportional to 14,459,463.19, 19,954,262.79 and 7,932,974.05
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Solution
The fourth proportional to 14,459,463.19, 19,954,262.79 and 7,932,974.05 is: 10,947,615.88
Step by Step Solution
- Step 1: Write the proportion equation
14,459,463.19 : 19,954,262.79 = 7,932,974.05 : x - Step 2: Convert to fraction form
14,459,463.19/19,954,262.79 = 7,932,974.05/x - Step 3: Cross multiply
14,459,463.19x = 19,954,262.79 × 7,932,974.05 - Step 4: Simplify right side
14,459,463.19x = 158,296,648,899,950.59 - Step 5: Solve for x
x = 158,296,648,899,950.59/14,459,463.19 - Step 6: Final answer
x = 10,947,615.88
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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.