Finding the Fourth Proportional to 18,249,036.24, 25,189,278.84 and 10,519,247.28
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Solution
The fourth proportional to 18,249,036.24, 25,189,278.84 and 10,519,247.28 is: 14,519,794.33
Step by Step Solution
- Step 1: Write the proportion equation
18,249,036.24 : 25,189,278.84 = 10,519,247.28 : x - Step 2: Convert to fraction form
18,249,036.24/25,189,278.84 = 10,519,247.28/x - Step 3: Cross multiply
18,249,036.24x = 25,189,278.84 × 10,519,247.28 - Step 4: Simplify right side
18,249,036.24x = 264,972,252,922,831.53 - Step 5: Solve for x
x = 264,972,252,922,831.53/18,249,036.24 - Step 6: Final answer
x = 14,519,794.33
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1.5x scale
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.