Finding the Fourth Proportional to 7,825,785.84, 11,745,904.06 and 5,639,627.84
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Solution
The fourth proportional to 7,825,785.84, 11,745,904.06 and 5,639,627.84 is: 8,464,648.64
Step by Step Solution
- Step 1: Write the proportion equation
7,825,785.84 : 11,745,904.06 = 5,639,627.84 : x - Step 2: Convert to fraction form
7,825,785.84/11,745,904.06 = 5,639,627.84/x - Step 3: Cross multiply
7,825,785.84x = 11,745,904.06 × 5,639,627.84 - Step 4: Simplify right side
7,825,785.84x = 66,242,527,491,065.04 - Step 5: Solve for x
x = 66,242,527,491,065.04/7,825,785.84 - Step 6: Final answer
x = 8,464,648.64
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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.