Finding the Fourth Proportional to 11,572,765.22, 15,967,182.84 and 9,117,755.66
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Solution
The fourth proportional to 11,572,765.22, 15,967,182.84 and 9,117,755.66 is: 12,579,955.52
Step by Step Solution
- Step 1: Write the proportion equation
11,572,765.22 : 15,967,182.84 = 9,117,755.66 : x - Step 2: Convert to fraction form
11,572,765.22/15,967,182.84 = 9,117,755.66/x - Step 3: Cross multiply
11,572,765.22x = 15,967,182.84 × 9,117,755.66 - Step 4: Simplify right side
11,572,765.22x = 145,584,871,713,664.88 - Step 5: Solve for x
x = 145,584,871,713,664.88/11,572,765.22 - Step 6: Final answer
x = 12,579,955.52
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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.