Finding the Fourth Proportional to 7,982,127.72, 11,015,346.24 and 4,544,368.68
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Solution
The fourth proportional to 7,982,127.72, 11,015,346.24 and 4,544,368.68 is: 6,271,234.46
Step by Step Solution
- Step 1: Write the proportion equation
7,982,127.72 : 11,015,346.24 = 4,544,368.68 : x - Step 2: Convert to fraction form
7,982,127.72/11,015,346.24 = 4,544,368.68/x - Step 3: Cross multiply
7,982,127.72x = 11,015,346.24 × 4,544,368.68 - Step 4: Simplify right side
7,982,127.72x = 50,057,794,452,411.76 - Step 5: Solve for x
x = 50,057,794,452,411.76/7,982,127.72 - Step 6: Final answer
x = 6,271,234.46
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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.