Finding the Fourth Proportional to 10,489,501.20, 15,734,251.80 and 3,303,237.90
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Solution
The fourth proportional to 10,489,501.20, 15,734,251.80 and 3,303,237.90 is: 4,954,856.85
Step by Step Solution
- Step 1: Write the proportion equation
10,489,501.20 : 15,734,251.80 = 3,303,237.90 : x - Step 2: Convert to fraction form
10,489,501.20/15,734,251.80 = 3,303,237.90/x - Step 3: Cross multiply
10,489,501.20x = 15,734,251.80 × 3,303,237.90 - Step 4: Simplify right side
10,489,501.20x = 51,973,976,873,903.22 - Step 5: Solve for x
x = 51,973,976,873,903.22/10,489,501.20 - Step 6: Final answer
x = 4,954,856.85
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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.