Finding the Fourth Proportional to 43,707,756.80, 65,601,292.80 and 22,157,350.40
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Solution
The fourth proportional to 43,707,756.80, 65,601,292.80 and 22,157,350.40 is: 33,256,129.75
Step by Step Solution
- Step 1: Write the proportion equation
43,707,756.80 : 65,601,292.80 = 22,157,350.40 : x - Step 2: Convert to fraction form
43,707,756.80/65,601,292.80 = 22,157,350.40/x - Step 3: Cross multiply
43,707,756.80x = 65,601,292.80 × 22,157,350.40 - Step 4: Simplify right side
43,707,756.80x = 1,453,550,831,262,597 - Step 5: Solve for x
x = 1,453,550,831,262,597/43,707,756.80 - Step 6: Final answer
x = 33,256,129.75
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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.