Finding the Fourth Proportional to 18,380,263.28, 27,570,531.60 and 6,868,332.68
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Solution
The fourth proportional to 18,380,263.28, 27,570,531.60 and 6,868,332.68 is: 10,302,550.09
Step by Step Solution
- Step 1: Write the proportion equation
18,380,263.28 : 27,570,531.60 = 6,868,332.68 : x - Step 2: Convert to fraction form
18,380,263.28/27,570,531.60 = 6,868,332.68/x - Step 3: Cross multiply
18,380,263.28x = 27,570,531.60 × 6,868,332.68 - Step 4: Simplify right side
18,380,263.28x = 189,363,583,055,400.03 - Step 5: Solve for x
x = 189,363,583,055,400.03/18,380,263.28 - Step 6: Final answer
x = 10,302,550.09
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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.