Finding the Fourth Proportional to 15,967,208.56, 22,034,755.92 and 8,625,041.32
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Solution
The fourth proportional to 15,967,208.56, 22,034,755.92 and 8,625,041.32 is: 11,902,561.40
Step by Step Solution
- Step 1: Write the proportion equation
15,967,208.56 : 22,034,755.92 = 8,625,041.32 : x - Step 2: Convert to fraction form
15,967,208.56/22,034,755.92 = 8,625,041.32/x - Step 3: Cross multiply
15,967,208.56x = 22,034,755.92 × 8,625,041.32 - Step 4: Simplify right side
15,967,208.56x = 190,050,680,286,114.62 - Step 5: Solve for x
x = 190,050,680,286,114.62/15,967,208.56 - Step 6: Final answer
x = 11,902,561.40
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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.