Finding the Fourth Proportional to 7,399,027.68, 10,201,366.92 and 5,658,831.76
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Solution
The fourth proportional to 7,399,027.68, 10,201,366.92 and 5,658,831.76 is: 7,802,081.79
Step by Step Solution
- Step 1: Write the proportion equation
7,399,027.68 : 10,201,366.92 = 5,658,831.76 : x - Step 2: Convert to fraction form
7,399,027.68/10,201,366.92 = 5,658,831.76/x - Step 3: Cross multiply
7,399,027.68x = 10,201,366.92 × 5,658,831.76 - Step 4: Simplify right side
7,399,027.68x = 57,727,819,122,309.38 - Step 5: Solve for x
x = 57,727,819,122,309.38/7,399,027.68 - Step 6: Final answer
x = 7,802,081.79
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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.