Finding the Fourth Proportional to 7,508,810.99, 11,319,496.34 and 7,008,276.65
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Solution
The fourth proportional to 7,508,810.99, 11,319,496.34 and 7,008,276.65 is: 10,564,943.25
Step by Step Solution
- Step 1: Write the proportion equation
7,508,810.99 : 11,319,496.34 = 7,008,276.65 : x - Step 2: Convert to fraction form
7,508,810.99/11,319,496.34 = 7,008,276.65/x - Step 3: Cross multiply
7,508,810.99x = 11,319,496.34 × 7,008,276.65 - Step 4: Simplify right side
7,508,810.99x = 79,330,161,898,308.83 - Step 5: Solve for x
x = 79,330,161,898,308.83/7,508,810.99 - Step 6: Final answer
x = 10,564,943.25
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.