Finding the Fourth Proportional to 16,286,473.77, 22,484,059.55 and 12,557,159.65
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Solution
The fourth proportional to 16,286,473.77, 22,484,059.55 and 12,557,159.65 is: 17,335,608.02
Step by Step Solution
- Step 1: Write the proportion equation
16,286,473.77 : 22,484,059.55 = 12,557,159.65 : x - Step 2: Convert to fraction form
16,286,473.77/22,484,059.55 = 12,557,159.65/x - Step 3: Cross multiply
16,286,473.77x = 22,484,059.55 × 12,557,159.65 - Step 4: Simplify right side
16,286,473.77x = 282,335,925,286,671.38 - Step 5: Solve for x
x = 282,335,925,286,671.38/16,286,473.77 - Step 6: Final answer
x = 17,335,608.02
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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.