Finding the Fourth Proportional to 10,363,876.68, 15,545,815.01 and 5,325,028.68
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Solution
The fourth proportional to 10,363,876.68, 15,545,815.01 and 5,325,028.68 is: 7,987,543.01
Step by Step Solution
- Step 1: Write the proportion equation
10,363,876.68 : 15,545,815.01 = 5,325,028.68 : x - Step 2: Convert to fraction form
10,363,876.68/15,545,815.01 = 5,325,028.68/x - Step 3: Cross multiply
10,363,876.68x = 15,545,815.01 × 5,325,028.68 - Step 4: Simplify right side
10,363,876.68x = 82,781,910,782,224.48 - Step 5: Solve for x
x = 82,781,910,782,224.48/10,363,876.68 - Step 6: Final answer
x = 7,987,543.01
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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.