Finding the Fourth Proportional to 6,813,288.27, 9,402,346.35 and 3,715,816.68
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Solution
The fourth proportional to 6,813,288.27, 9,402,346.35 and 3,715,816.68 is: 5,127,831.67
Step by Step Solution
- Step 1: Write the proportion equation
6,813,288.27 : 9,402,346.35 = 3,715,816.68 : x - Step 2: Convert to fraction form
6,813,288.27/9,402,346.35 = 3,715,816.68/x - Step 3: Cross multiply
6,813,288.27x = 9,402,346.35 × 3,715,816.68 - Step 4: Simplify right side
6,813,288.27x = 34,937,395,398,467.12 - Step 5: Solve for x
x = 34,937,395,398,467.12/6,813,288.27 - Step 6: Final answer
x = 5,127,831.67
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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.