Finding the Fourth Proportional to 7,322,329.64, 10,102,769.68 and 5,768,769.12
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Solution
The fourth proportional to 7,322,329.64, 10,102,769.68 and 5,768,769.12 is: 7,959,290.09
Step by Step Solution
- Step 1: Write the proportion equation
7,322,329.64 : 10,102,769.68 = 5,768,769.12 : x - Step 2: Convert to fraction form
7,322,329.64/10,102,769.68 = 5,768,769.12/x - Step 3: Cross multiply
7,322,329.64x = 10,102,769.68 × 5,768,769.12 - Step 4: Simplify right side
7,322,329.64x = 58,280,545,756,456.28 - Step 5: Solve for x
x = 58,280,545,756,456.28/7,322,329.64 - Step 6: Final answer
x = 7,959,290.09
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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.