Finding the Fourth Proportional to 7,615,136.28, 11,423,505.48 and 2,223,801.84
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Solution
The fourth proportional to 7,615,136.28, 11,423,505.48 and 2,223,801.84 is: 3,335,936.69
Step by Step Solution
- Step 1: Write the proportion equation
7,615,136.28 : 11,423,505.48 = 2,223,801.84 : x - Step 2: Convert to fraction form
7,615,136.28/11,423,505.48 = 2,223,801.84/x - Step 3: Cross multiply
7,615,136.28x = 11,423,505.48 × 2,223,801.84 - Step 4: Simplify right side
7,615,136.28x = 25,403,612,505,674.08 - Step 5: Solve for x
x = 25,403,612,505,674.08/7,615,136.28 - Step 6: Final answer
x = 3,335,936.69
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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.