Finding the Fourth Proportional to 12,848,718.99, 17,735,202.05 and 8,265,040.77
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Solution
The fourth proportional to 12,848,718.99, 17,735,202.05 and 8,265,040.77 is: 11,408,309.90
Step by Step Solution
- Step 1: Write the proportion equation
12,848,718.99 : 17,735,202.05 = 8,265,040.77 : x - Step 2: Convert to fraction form
12,848,718.99/17,735,202.05 = 8,265,040.77/x - Step 3: Cross multiply
12,848,718.99x = 17,735,202.05 × 8,265,040.77 - Step 4: Simplify right side
12,848,718.99x = 146,582,168,007,437.56 - Step 5: Solve for x
x = 146,582,168,007,437.56/12,848,718.99 - Step 6: Final answer
x = 11,408,309.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.