Finding the Fourth Proportional to 8,529,558.70, 12,801,336.45 and 8,249,622.70
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Solution
The fourth proportional to 8,529,558.70, 12,801,336.45 and 8,249,622.70 is: 12,381,202.77
Step by Step Solution
- Step 1: Write the proportion equation
8,529,558.70 : 12,801,336.45 = 8,249,622.70 : x - Step 2: Convert to fraction form
8,529,558.70/12,801,336.45 = 8,249,622.70/x - Step 3: Cross multiply
8,529,558.70x = 12,801,336.45 × 8,249,622.70 - Step 4: Simplify right side
8,529,558.70x = 105,606,195,768,257.41 - Step 5: Solve for x
x = 105,606,195,768,257.41/8,529,558.70 - Step 6: Final answer
x = 12,381,202.77
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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.