Finding the Fourth Proportional to 8,160,467.06, 12,240,257.62 and 2,480,248.50
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Solution
The fourth proportional to 8,160,467.06, 12,240,257.62 and 2,480,248.50 is: 3,720,238.12
Step by Step Solution
- Step 1: Write the proportion equation
8,160,467.06 : 12,240,257.62 = 2,480,248.50 : x - Step 2: Convert to fraction form
8,160,467.06/12,240,257.62 = 2,480,248.50/x - Step 3: Cross multiply
8,160,467.06x = 12,240,257.62 × 2,480,248.50 - Step 4: Simplify right side
8,160,467.06x = 30,358,880,601,618.57 - Step 5: Solve for x
x = 30,358,880,601,618.57/8,160,467.06 - Step 6: Final answer
x = 3,720,238.12
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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.