Finding the Fourth Proportional to 13,434,106.81, 20,152,370.37 and 4,336,420.09
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Solution
The fourth proportional to 13,434,106.81, 20,152,370.37 and 4,336,420.09 is: 6,505,020.76
Step by Step Solution
- Step 1: Write the proportion equation
13,434,106.81 : 20,152,370.37 = 4,336,420.09 : x - Step 2: Convert to fraction form
13,434,106.81/20,152,370.37 = 4,336,420.09/x - Step 3: Cross multiply
13,434,106.81x = 20,152,370.37 × 4,336,420.09 - Step 4: Simplify right side
13,434,106.81x = 87,389,143,733,588.73 - Step 5: Solve for x
x = 87,389,143,733,588.73/13,434,106.81 - Step 6: Final answer
x = 6,505,020.76
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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.