Finding the Fourth Proportional to 7,432,885.80, 11,149,328.70 and 2,384,706.60
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Solution
The fourth proportional to 7,432,885.80, 11,149,328.70 and 2,384,706.60 is: 3,577,059.90
Step by Step Solution
- Step 1: Write the proportion equation
7,432,885.80 : 11,149,328.70 = 2,384,706.60 : x - Step 2: Convert to fraction form
7,432,885.80/11,149,328.70 = 2,384,706.60/x - Step 3: Cross multiply
7,432,885.80x = 11,149,328.70 × 2,384,706.60 - Step 4: Simplify right side
7,432,885.80x = 26,587,877,736,459.42 - Step 5: Solve for x
x = 26,587,877,736,459.42/7,432,885.80 - Step 6: Final answer
x = 3,577,059.90
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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.