Finding the Fourth Proportional to 10,363,881.68, 15,545,822.51 and 5,325,033.68
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Solution
The fourth proportional to 10,363,881.68, 15,545,822.51 and 5,325,033.68 is: 7,987,550.51
Step by Step Solution
- Step 1: Write the proportion equation
10,363,881.68 : 15,545,822.51 = 5,325,033.68 : x - Step 2: Convert to fraction form
10,363,881.68/15,545,822.51 = 5,325,033.68/x - Step 3: Cross multiply
10,363,881.68x = 15,545,822.51 × 5,325,033.68 - Step 4: Simplify right side
10,363,881.68x = 82,782,028,449,052.12 - Step 5: Solve for x
x = 82,782,028,449,052.12/10,363,881.68 - Step 6: Final answer
x = 7,987,550.51
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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.