Finding the Fourth Proportional to 16,319,111.97, 22,520,794.73 and 8,977,133.73
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Solution
The fourth proportional to 16,319,111.97, 22,520,794.73 and 8,977,133.73 is: 12,388,675.70
Step by Step Solution
- Step 1: Write the proportion equation
16,319,111.97 : 22,520,794.73 = 8,977,133.73 : x - Step 2: Convert to fraction form
16,319,111.97/22,520,794.73 = 8,977,133.73/x - Step 3: Cross multiply
16,319,111.97x = 22,520,794.73 × 8,977,133.73 - Step 4: Simplify right side
16,319,111.97x = 202,172,185,952,203.59 - Step 5: Solve for x
x = 202,172,185,952,203.59/16,319,111.97 - Step 6: Final answer
x = 12,388,675.70
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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.