Finding the Fourth Proportional to 8,972,206.24, 13,458,309.95 and 7,166,636.05
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Solution
The fourth proportional to 8,972,206.24, 13,458,309.95 and 7,166,636.05 is: 10,749,954.55
Step by Step Solution
- Step 1: Write the proportion equation
8,972,206.24 : 13,458,309.95 = 7,166,636.05 : x - Step 2: Convert to fraction form
8,972,206.24/13,458,309.95 = 7,166,636.05/x - Step 3: Cross multiply
8,972,206.24x = 13,458,309.95 × 7,166,636.05 - Step 4: Simplify right side
8,972,206.24x = 96,450,809,259,743.69 - Step 5: Solve for x
x = 96,450,809,259,743.69/8,972,206.24 - Step 6: Final answer
x = 10,749,954.55
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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.