Finding the Fourth Proportional to 7,340,257.40, 11,005,137.30 and 3,293,432.60
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Solution
The fourth proportional to 7,340,257.40, 11,005,137.30 and 3,293,432.60 is: 4,937,793.86
Step by Step Solution
- Step 1: Write the proportion equation
7,340,257.40 : 11,005,137.30 = 3,293,432.60 : x - Step 2: Convert to fraction form
7,340,257.40/11,005,137.30 = 3,293,432.60/x - Step 3: Cross multiply
7,340,257.40x = 11,005,137.30 × 3,293,432.60 - Step 4: Simplify right side
7,340,257.40x = 36,244,677,951,295.98 - Step 5: Solve for x
x = 36,244,677,951,295.98/7,340,257.40 - Step 6: Final answer
x = 4,937,793.86
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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.