Finding the Fourth Proportional to 12,087,722.40, 18,117,586.80 and 4,894,533.60
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Solution
The fourth proportional to 12,087,722.40, 18,117,586.80 and 4,894,533.60 is: 7,336,132.85
Step by Step Solution
- Step 1: Write the proportion equation
12,087,722.40 : 18,117,586.80 = 4,894,533.60 : x - Step 2: Convert to fraction form
12,087,722.40/18,117,586.80 = 4,894,533.60/x - Step 3: Cross multiply
12,087,722.40x = 18,117,586.80 × 4,894,533.60 - Step 4: Simplify right side
12,087,722.40x = 88,677,137,343,516.48 - Step 5: Solve for x
x = 88,677,137,343,516.48/12,087,722.40 - Step 6: Final answer
x = 7,336,132.85
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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.