Finding the Fourth Proportional to 12,162,485.97, 16,784,225.73 and 6,655,860.54
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Solution
The fourth proportional to 12,162,485.97, 16,784,225.73 and 6,655,860.54 is: 9,185,084.86
Step by Step Solution
- Step 1: Write the proportion equation
12,162,485.97 : 16,784,225.73 = 6,655,860.54 : x - Step 2: Convert to fraction form
12,162,485.97/16,784,225.73 = 6,655,860.54/x - Step 3: Cross multiply
12,162,485.97x = 16,784,225.73 × 6,655,860.54 - Step 4: Simplify right side
12,162,485.97x = 111,713,465,730,759.70 - Step 5: Solve for x
x = 111,713,465,730,759.70/12,162,485.97 - Step 6: Final answer
x = 9,185,084.86
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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.