Finding the Fourth Proportional to 7,525,473.28, 11,302,731.68 and 6,448,419.52
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Solution
The fourth proportional to 7,525,473.28, 11,302,731.68 and 6,448,419.52 is: 9,685,072.67
Step by Step Solution
- Step 1: Write the proportion equation
7,525,473.28 : 11,302,731.68 = 6,448,419.52 : x - Step 2: Convert to fraction form
7,525,473.28/11,302,731.68 = 6,448,419.52/x - Step 3: Cross multiply
7,525,473.28x = 11,302,731.68 × 6,448,419.52 - Step 4: Simplify right side
7,525,473.28x = 72,884,755,594,634.39 - Step 5: Solve for x
x = 72,884,755,594,634.39/7,525,473.28 - Step 6: Final answer
x = 9,685,072.67
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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.