Finding the Fourth Proportional to 9,720,389.70, 14,580,584.55 and 5,468,861.70
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Solution
The fourth proportional to 9,720,389.70, 14,580,584.55 and 5,468,861.70 is: 8,203,292.55
Step by Step Solution
- Step 1: Write the proportion equation
9,720,389.70 : 14,580,584.55 = 5,468,861.70 : x - Step 2: Convert to fraction form
9,720,389.70/14,580,584.55 = 5,468,861.70/x - Step 3: Cross multiply
9,720,389.70x = 14,580,584.55 × 5,468,861.70 - Step 4: Simplify right side
9,720,389.70x = 79,739,200,409,106.73 - Step 5: Solve for x
x = 79,739,200,409,106.73/9,720,389.70 - Step 6: Final answer
x = 8,203,292.55
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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.