Finding the Fourth Proportional to 29,129,874.96, 40,199,029.66 and 16,077,133.83
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Solution
The fourth proportional to 29,129,874.96, 40,199,029.66 and 16,077,133.83 is: 22,186,335.52
Step by Step Solution
- Step 1: Write the proportion equation
29,129,874.96 : 40,199,029.66 = 16,077,133.83 : x - Step 2: Convert to fraction form
29,129,874.96/40,199,029.66 = 16,077,133.83/x - Step 3: Cross multiply
29,129,874.96x = 40,199,029.66 × 16,077,133.83 - Step 4: Simplify right side
29,129,874.96x = 646,285,179,438,771.38 - Step 5: Solve for x
x = 646,285,179,438,771.38/29,129,874.96 - Step 6: Final answer
x = 22,186,335.52
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1.5x scale
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.