Finding the Fourth Proportional to 7,240,231.91, 9,983,332.23 and 4,623,295.05
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Solution
The fourth proportional to 7,240,231.91, 9,983,332.23 and 4,623,295.05 is: 6,374,918.79
Step by Step Solution
- Step 1: Write the proportion equation
7,240,231.91 : 9,983,332.23 = 4,623,295.05 : x - Step 2: Convert to fraction form
7,240,231.91/9,983,332.23 = 4,623,295.05/x - Step 3: Cross multiply
7,240,231.91x = 9,983,332.23 × 4,623,295.05 - Step 4: Simplify right side
7,240,231.91x = 46,155,890,490,133.14 - Step 5: Solve for x
x = 46,155,890,490,133.14/7,240,231.91 - Step 6: Final answer
x = 6,374,918.79
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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.