Finding the Fourth Proportional to 8,992,309.56, 12,409,378.38 and 4,862,330.84
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Solution
The fourth proportional to 8,992,309.56, 12,409,378.38 and 4,862,330.84 is: 6,710,011.79
Step by Step Solution
- Step 1: Write the proportion equation
8,992,309.56 : 12,409,378.38 = 4,862,330.84 : x - Step 2: Convert to fraction form
8,992,309.56/12,409,378.38 = 4,862,330.84/x - Step 3: Cross multiply
8,992,309.56x = 12,409,378.38 × 4,862,330.84 - Step 4: Simplify right side
8,992,309.56x = 60,338,503,202,303.24 - Step 5: Solve for x
x = 60,338,503,202,303.24/8,992,309.56 - Step 6: Final answer
x = 6,710,011.79
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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.