Finding the Fourth Proportional to 16,286,507.77, 22,484,106.47 and 12,557,193.65
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Solution
The fourth proportional to 16,286,507.77, 22,484,106.47 and 12,557,193.65 is: 17,335,654.95
Step by Step Solution
- Step 1: Write the proportion equation
16,286,507.77 : 22,484,106.47 = 12,557,193.65 : x - Step 2: Convert to fraction form
16,286,507.77/22,484,106.47 = 12,557,193.65/x - Step 3: Cross multiply
16,286,507.77x = 22,484,106.47 × 12,557,193.65 - Step 4: Simplify right side
16,286,507.77x = 282,337,278,991,007.94 - Step 5: Solve for x
x = 282,337,278,991,007.94/16,286,507.77 - Step 6: Final answer
x = 17,335,654.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.