Finding the Fourth Proportional to 18,452,831.20, 27,679,246.80 and 17,389,949.20
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Solution
The fourth proportional to 18,452,831.20, 27,679,246.80 and 17,389,949.20 is: 26,084,923.80
Step by Step Solution
- Step 1: Write the proportion equation
18,452,831.20 : 27,679,246.80 = 17,389,949.20 : x - Step 2: Convert to fraction form
18,452,831.20/27,679,246.80 = 17,389,949.20/x - Step 3: Cross multiply
18,452,831.20x = 27,679,246.80 × 17,389,949.20 - Step 4: Simplify right side
18,452,831.20x = 481,340,695,746,262.56 - Step 5: Solve for x
x = 481,340,695,746,262.56/18,452,831.20 - Step 6: Final answer
x = 26,084,923.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.