Finding the Fourth Proportional to 7,334,489.70, 11,001,725.28 and 2,785,530.02
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Solution
The fourth proportional to 7,334,489.70, 11,001,725.28 and 2,785,530.02 is: 4,178,291.50
Step by Step Solution
- Step 1: Write the proportion equation
7,334,489.70 : 11,001,725.28 = 2,785,530.02 : x - Step 2: Convert to fraction form
7,334,489.70/11,001,725.28 = 2,785,530.02/x - Step 3: Cross multiply
7,334,489.70x = 11,001,725.28 × 2,785,530.02 - Step 4: Simplify right side
7,334,489.70x = 30,645,635,984,224.28 - Step 5: Solve for x
x = 30,645,635,984,224.28/7,334,489.70 - Step 6: Final answer
x = 4,178,291.50
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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.