Finding the Fourth Proportional to 9,149,632.28, 13,720,461.70 and 3,083,233.26
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Solution
The fourth proportional to 9,149,632.28, 13,720,461.70 and 3,083,233.26 is: 4,623,506.45
Step by Step Solution
- Step 1: Write the proportion equation
9,149,632.28 : 13,720,461.70 = 3,083,233.26 : x - Step 2: Convert to fraction form
9,149,632.28/13,720,461.70 = 3,083,233.26/x - Step 3: Cross multiply
9,149,632.28x = 13,720,461.70 × 3,083,233.26 - Step 4: Simplify right side
9,149,632.28x = 42,303,383,855,996.13 - Step 5: Solve for x
x = 42,303,383,855,996.13/9,149,632.28 - Step 6: Final answer
x = 4,623,506.45
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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.