Finding the Fourth Proportional to 13,198,929.18, 18,187,212.87 and 10,610,221.02
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Solution
The fourth proportional to 13,198,929.18, 18,187,212.87 and 10,610,221.02 is: 14,620,151.81
Step by Step Solution
- Step 1: Write the proportion equation
13,198,929.18 : 18,187,212.87 = 10,610,221.02 : x - Step 2: Convert to fraction form
13,198,929.18/18,187,212.87 = 10,610,221.02/x - Step 3: Cross multiply
13,198,929.18x = 18,187,212.87 × 10,610,221.02 - Step 4: Simplify right side
13,198,929.18x = 192,970,348,288,488.53 - Step 5: Solve for x
x = 192,970,348,288,488.53/13,198,929.18 - Step 6: Final answer
x = 14,620,151.81
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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.