Finding the Fourth Proportional to 13,206,110.76, 18,224,053.92 and 8,047,590.12
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Solution
The fourth proportional to 13,206,110.76, 18,224,053.92 and 8,047,590.12 is: 11,105,443.45
Step by Step Solution
- Step 1: Write the proportion equation
13,206,110.76 : 18,224,053.92 = 8,047,590.12 : x - Step 2: Convert to fraction form
13,206,110.76/18,224,053.92 = 8,047,590.12/x - Step 3: Cross multiply
13,206,110.76x = 18,224,053.92 × 8,047,590.12 - Step 4: Simplify right side
13,206,110.76x = 146,659,716,272,939.28 - Step 5: Solve for x
x = 146,659,716,272,939.28/13,206,110.76 - Step 6: Final answer
x = 11,105,443.45
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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.