Finding the Fourth Proportional to 13,935,190.86, 19,230,069.87 and 7,823,876.94
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Solution
The fourth proportional to 13,935,190.86, 19,230,069.87 and 7,823,876.94 is: 10,796,673.09
Step by Step Solution
- Step 1: Write the proportion equation
13,935,190.86 : 19,230,069.87 = 7,823,876.94 : x - Step 2: Convert to fraction form
13,935,190.86/19,230,069.87 = 7,823,876.94/x - Step 3: Cross multiply
13,935,190.86x = 19,230,069.87 × 7,823,876.94 - Step 4: Simplify right side
13,935,190.86x = 150,453,700,210,481.81 - Step 5: Solve for x
x = 150,453,700,210,481.81/13,935,190.86 - Step 6: Final answer
x = 10,796,673.09
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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.