Finding the Fourth Proportional to 8,948,121.36, 12,344,479.56 and 6,046,455.12
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Solution
The fourth proportional to 8,948,121.36, 12,344,479.56 and 6,046,455.12 is: 8,341,453.88
Step by Step Solution
- Step 1: Write the proportion equation
8,948,121.36 : 12,344,479.56 = 6,046,455.12 : x - Step 2: Convert to fraction form
8,948,121.36/12,344,479.56 = 6,046,455.12/x - Step 3: Cross multiply
8,948,121.36x = 12,344,479.56 × 6,046,455.12 - Step 4: Simplify right side
8,948,121.36x = 74,640,341,639,297.36 - Step 5: Solve for x
x = 74,640,341,639,297.36/8,948,121.36 - Step 6: Final answer
x = 8,341,453.88
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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.