Finding the Fourth Proportional to 10,483,976.80, 14,472,351.80 and 7,048,210.68
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Solution
The fourth proportional to 10,483,976.80, 14,472,351.80 and 7,048,210.68 is: 9,729,531.69
Step by Step Solution
- Step 1: Write the proportion equation
10,483,976.80 : 14,472,351.80 = 7,048,210.68 : x - Step 2: Convert to fraction form
10,483,976.80/14,472,351.80 = 7,048,210.68/x - Step 3: Cross multiply
10,483,976.80x = 14,472,351.80 × 7,048,210.68 - Step 4: Simplify right side
10,483,976.80x = 102,004,184,521,477.22 - Step 5: Solve for x
x = 102,004,184,521,477.22/10,483,976.80 - Step 6: Final answer
x = 9,729,531.69
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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.