Finding the Fourth Proportional to 8,328,529.16, 12,492,793.74 and 2,648,765.96
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Solution
The fourth proportional to 8,328,529.16, 12,492,793.74 and 2,648,765.96 is: 3,973,148.94
Step by Step Solution
- Step 1: Write the proportion equation
8,328,529.16 : 12,492,793.74 = 2,648,765.96 : x - Step 2: Convert to fraction form
8,328,529.16/12,492,793.74 = 2,648,765.96/x - Step 3: Cross multiply
8,328,529.16x = 12,492,793.74 × 2,648,765.96 - Step 4: Simplify right side
8,328,529.16x = 33,090,486,803,813.09 - Step 5: Solve for x
x = 33,090,486,803,813.09/8,328,529.16 - Step 6: Final answer
x = 3,973,148.94
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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.