Finding the Fourth Proportional to 13,853,823.70, 20,784,012.35 and 4,398,207.70
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Solution
The fourth proportional to 13,853,823.70, 20,784,012.35 and 4,398,207.70 is: 6,598,351.84
Step by Step Solution
- Step 1: Write the proportion equation
13,853,823.70 : 20,784,012.35 = 4,398,207.70 : x - Step 2: Convert to fraction form
13,853,823.70/20,784,012.35 = 4,398,207.70/x - Step 3: Cross multiply
13,853,823.70x = 20,784,012.35 × 4,398,207.70 - Step 4: Simplify right side
13,853,823.70x = 91,412,403,154,665.11 - Step 5: Solve for x
x = 91,412,403,154,665.11/13,853,823.70 - Step 6: Final answer
x = 6,598,351.84
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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.