Finding the Fourth Proportional to 7,433,311.80, 11,147,810.94 and 3,115,249.08
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Solution
The fourth proportional to 7,433,311.80, 11,147,810.94 and 3,115,249.08 is: 4,671,969.74
Step by Step Solution
- Step 1: Write the proportion equation
7,433,311.80 : 11,147,810.94 = 3,115,249.08 : x - Step 2: Convert to fraction form
7,433,311.80/11,147,810.94 = 3,115,249.08/x - Step 3: Cross multiply
7,433,311.80x = 11,147,810.94 × 3,115,249.08 - Step 4: Simplify right side
7,433,311.80x = 34,728,207,774,848.93 - Step 5: Solve for x
x = 34,728,207,774,848.93/7,433,311.80 - Step 6: Final answer
x = 4,671,969.74
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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.