Finding the Fourth Proportional to 8,293,991.40, 12,440,102.70 and 2,902,744.80
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Solution
The fourth proportional to 8,293,991.40, 12,440,102.70 and 2,902,744.80 is: 4,353,807.68
Step by Step Solution
- Step 1: Write the proportion equation
8,293,991.40 : 12,440,102.70 = 2,902,744.80 : x - Step 2: Convert to fraction form
8,293,991.40/12,440,102.70 = 2,902,744.80/x - Step 3: Cross multiply
8,293,991.40x = 12,440,102.70 × 2,902,744.80 - Step 4: Simplify right side
8,293,991.40x = 36,110,443,423,890.95 - Step 5: Solve for x
x = 36,110,443,423,890.95/8,293,991.40 - Step 6: Final answer
x = 4,353,807.68
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1.5x scale
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.