Finding the Fourth Proportional to 8,293,341.98, 12,434,880.79 and 3,238,708.70
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Solution
The fourth proportional to 8,293,341.98, 12,434,880.79 and 3,238,708.70 is: 4,856,058.84
Step by Step Solution
- Step 1: Write the proportion equation
8,293,341.98 : 12,434,880.79 = 3,238,708.70 : x - Step 2: Convert to fraction form
8,293,341.98/12,434,880.79 = 3,238,708.70/x - Step 3: Cross multiply
8,293,341.98x = 12,434,880.79 × 3,238,708.70 - Step 4: Simplify right side
8,293,341.98x = 40,272,956,598,035.88 - Step 5: Solve for x
x = 40,272,956,598,035.88/8,293,341.98 - Step 6: Final answer
x = 4,856,058.84
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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.