Finding the Fourth Proportional to 11,284,693.10, 15,572,936.27 and 6,390,867.80
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Solution
The fourth proportional to 11,284,693.10, 15,572,936.27 and 6,390,867.80 is: 8,819,431.43
Step by Step Solution
- Step 1: Write the proportion equation
11,284,693.10 : 15,572,936.27 = 6,390,867.80 : x - Step 2: Convert to fraction form
11,284,693.10/15,572,936.27 = 6,390,867.80/x - Step 3: Cross multiply
11,284,693.10x = 15,572,936.27 × 6,390,867.80 - Step 4: Simplify right side
11,284,693.10x = 99,524,577,014,304.62 - Step 5: Solve for x
x = 99,524,577,014,304.62/11,284,693.10 - Step 6: Final answer
x = 8,819,431.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.