Finding the Fourth Proportional to 18,968,364.36, 28,452,620.34 and 4,591,409.08
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Solution
The fourth proportional to 18,968,364.36, 28,452,620.34 and 4,591,409.08 is: 6,887,131.48
Step by Step Solution
- Step 1: Write the proportion equation
18,968,364.36 : 28,452,620.34 = 4,591,409.08 : x - Step 2: Convert to fraction form
18,968,364.36/28,452,620.34 = 4,591,409.08/x - Step 3: Cross multiply
18,968,364.36x = 28,452,620.34 × 4,591,409.08 - Step 4: Simplify right side
18,968,364.36x = 130,637,619,378,868.69 - Step 5: Solve for x
x = 130,637,619,378,868.69/18,968,364.36 - Step 6: Final answer
x = 6,887,131.48
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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.