Finding the Fourth Proportional to 13,305,151.80, 19,965,600.90 and 8,769,313.80
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Solution
The fourth proportional to 13,305,151.80, 19,965,600.90 and 8,769,313.80 is: 13,159,159.86
Step by Step Solution
- Step 1: Write the proportion equation
13,305,151.80 : 19,965,600.90 = 8,769,313.80 : x - Step 2: Convert to fraction form
13,305,151.80/19,965,600.90 = 8,769,313.80/x - Step 3: Cross multiply
13,305,151.80x = 19,965,600.90 × 8,769,313.80 - Step 4: Simplify right side
13,305,151.80x = 175,084,619,497,662.41 - Step 5: Solve for x
x = 175,084,619,497,662.41/13,305,151.80 - Step 6: Final answer
x = 13,159,159.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.