Finding the Fourth Proportional to 7,446,027.48, 11,169,070.38 and 4,921,121.40
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Solution
The fourth proportional to 7,446,027.48, 11,169,070.38 and 4,921,121.40 is: 7,381,701.37
Step by Step Solution
- Step 1: Write the proportion equation
7,446,027.48 : 11,169,070.38 = 4,921,121.40 : x - Step 2: Convert to fraction form
7,446,027.48/11,169,070.38 = 4,921,121.40/x - Step 3: Cross multiply
7,446,027.48x = 11,169,070.38 × 4,921,121.40 - Step 4: Simplify right side
7,446,027.48x = 54,964,351,265,124.14 - Step 5: Solve for x
x = 54,964,351,265,124.14/7,446,027.48 - Step 6: Final answer
x = 7,381,701.37
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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.