Finding the Fourth Proportional to 7,990,437.36, 11,986,005.80 and 2,311,235.76
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Solution
The fourth proportional to 7,990,437.36, 11,986,005.80 and 2,311,235.76 is: 3,466,954.81
Step by Step Solution
- Step 1: Write the proportion equation
7,990,437.36 : 11,986,005.80 = 2,311,235.76 : x - Step 2: Convert to fraction form
7,990,437.36/11,986,005.80 = 2,311,235.76/x - Step 3: Cross multiply
7,990,437.36x = 11,986,005.80 × 2,311,235.76 - Step 4: Simplify right side
7,990,437.36x = 27,702,485,224,527.41 - Step 5: Solve for x
x = 27,702,485,224,527.41/7,990,437.36 - Step 6: Final answer
x = 3,466,954.81
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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.