Finding the Fourth Proportional to 7,555,072.43, 10,425,695.76 and 4,117,239.65
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Solution
The fourth proportional to 7,555,072.43, 10,425,695.76 and 4,117,239.65 is: 5,681,624.94
Step by Step Solution
- Step 1: Write the proportion equation
7,555,072.43 : 10,425,695.76 = 4,117,239.65 : x - Step 2: Convert to fraction form
7,555,072.43/10,425,695.76 = 4,117,239.65/x - Step 3: Cross multiply
7,555,072.43x = 10,425,695.76 × 4,117,239.65 - Step 4: Simplify right side
7,555,072.43x = 42,925,087,987,973.12 - Step 5: Solve for x
x = 42,925,087,987,973.12/7,555,072.43 - Step 6: Final answer
x = 5,681,624.94
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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.