Finding the Fourth Proportional to 7,803,052.12, 10,767,968.74 and 4,318,181.24
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Solution
The fourth proportional to 7,803,052.12, 10,767,968.74 and 4,318,181.24 is: 5,958,955.53
Step by Step Solution
- Step 1: Write the proportion equation
7,803,052.12 : 10,767,968.74 = 4,318,181.24 : x - Step 2: Convert to fraction form
7,803,052.12/10,767,968.74 = 4,318,181.24/x - Step 3: Cross multiply
7,803,052.12x = 10,767,968.74 × 4,318,181.24 - Step 4: Simplify right side
7,803,052.12x = 46,498,040,605,974.44 - Step 5: Solve for x
x = 46,498,040,605,974.44/7,803,052.12 - Step 6: Final answer
x = 5,958,955.53
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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.