Finding the Fourth Proportional to 36,340,324.84, 50,157,409.20 and 20,878,934.68
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Solution
The fourth proportional to 36,340,324.84, 50,157,409.20 and 20,878,934.68 is: 28,817,388.81
Step by Step Solution
- Step 1: Write the proportion equation
36,340,324.84 : 50,157,409.20 = 20,878,934.68 : x - Step 2: Convert to fraction form
36,340,324.84/50,157,409.20 = 20,878,934.68/x - Step 3: Cross multiply
36,340,324.84x = 50,157,409.20 × 20,878,934.68 - Step 4: Simplify right side
36,340,324.84x = 1,047,233,270,404,831.12 - Step 5: Solve for x
x = 1,047,233,270,404,831.12/36,340,324.84 - Step 6: Final answer
x = 28,817,388.81
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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.