Finding the Fourth Proportional to 43,462,617.70, 65,193,926.55 and 13,166,544.10
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Solution
The fourth proportional to 43,462,617.70, 65,193,926.55 and 13,166,544.10 is: 19,749,816.15
Step by Step Solution
- Step 1: Write the proportion equation
43,462,617.70 : 65,193,926.55 = 13,166,544.10 : x - Step 2: Convert to fraction form
43,462,617.70/65,193,926.55 = 13,166,544.10/x - Step 3: Cross multiply
43,462,617.70x = 65,193,926.55 × 13,166,544.10 - Step 4: Simplify right side
43,462,617.70x = 858,378,708,972,735.75 - Step 5: Solve for x
x = 858,378,708,972,735.75/43,462,617.70 - Step 6: Final answer
x = 19,749,816.15
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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.