Finding the Fourth Proportional to 10,619,507.99, 15,922,855.08 and 4,054,645.61
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Solution
The fourth proportional to 10,619,507.99, 15,922,855.08 and 4,054,645.61 is: 6,079,522.19
Step by Step Solution
- Step 1: Write the proportion equation
10,619,507.99 : 15,922,855.08 = 4,054,645.61 : x - Step 2: Convert to fraction form
10,619,507.99/15,922,855.08 = 4,054,645.61/x - Step 3: Cross multiply
10,619,507.99x = 15,922,855.08 × 4,054,645.61 - Step 4: Simplify right side
10,619,507.99x = 64,561,534,448,788.20 - Step 5: Solve for x
x = 64,561,534,448,788.20/10,619,507.99 - Step 6: Final answer
x = 6,079,522.19
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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.