Finding the Fourth Proportional to 8,758,059.60, 13,146,919.80 and 6,772,318.80
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Solution
The fourth proportional to 8,758,059.60, 13,146,919.80 and 6,772,318.80 is: 10,166,079.72
Step by Step Solution
- Step 1: Write the proportion equation
8,758,059.60 : 13,146,919.80 = 6,772,318.80 : x - Step 2: Convert to fraction form
8,758,059.60/13,146,919.80 = 6,772,318.80/x - Step 3: Cross multiply
8,758,059.60x = 13,146,919.80 × 6,772,318.80 - Step 4: Simplify right side
8,758,059.60x = 89,035,132,123,632.25 - Step 5: Solve for x
x = 89,035,132,123,632.25/8,758,059.60 - Step 6: Final answer
x = 10,166,079.72
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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.