Finding the Fourth Proportional to 7,838,793.06, 11,758,185.21 and 2,447,905.50
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Solution
The fourth proportional to 7,838,793.06, 11,758,185.21 and 2,447,905.50 is: 3,671,856.88
Step by Step Solution
- Step 1: Write the proportion equation
7,838,793.06 : 11,758,185.21 = 2,447,905.50 : x - Step 2: Convert to fraction form
7,838,793.06/11,758,185.21 = 2,447,905.50/x - Step 3: Cross multiply
7,838,793.06x = 11,758,185.21 × 2,447,905.50 - Step 4: Simplify right side
7,838,793.06x = 28,782,926,245,577.66 - Step 5: Solve for x
x = 28,782,926,245,577.66/7,838,793.06 - Step 6: Final answer
x = 3,671,856.88
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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.