Finding the Fourth Proportional to 6,838,163.60, 10,257,245.40 and 5,243,840.60
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Solution
The fourth proportional to 6,838,163.60, 10,257,245.40 and 5,243,840.60 is: 7,865,760.90
Step by Step Solution
- Step 1: Write the proportion equation
6,838,163.60 : 10,257,245.40 = 5,243,840.60 : x - Step 2: Convert to fraction form
6,838,163.60/10,257,245.40 = 5,243,840.60/x - Step 3: Cross multiply
6,838,163.60x = 10,257,245.40 × 5,243,840.60 - Step 4: Simplify right side
6,838,163.60x = 53,787,359,872,683.23 - Step 5: Solve for x
x = 53,787,359,872,683.23/6,838,163.60 - Step 6: Final answer
x = 7,865,760.90
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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.