Finding the Fourth Proportional to 7,413,031.68, 11,120,377.20 and 2,363,170.56
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Solution
The fourth proportional to 7,413,031.68, 11,120,377.20 and 2,363,170.56 is: 3,545,020.33
Step by Step Solution
- Step 1: Write the proportion equation
7,413,031.68 : 11,120,377.20 = 2,363,170.56 : x - Step 2: Convert to fraction form
7,413,031.68/11,120,377.20 = 2,363,170.56/x - Step 3: Cross multiply
7,413,031.68x = 11,120,377.20 × 2,363,170.56 - Step 4: Simplify right side
7,413,031.68x = 26,279,348,015,135.23 - Step 5: Solve for x
x = 26,279,348,015,135.23/7,413,031.68 - Step 6: Final answer
x = 3,545,020.33
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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.