Finding the Fourth Proportional to 33,029,927.70, 49,544,891.55 and 13,898,051.70
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Solution
The fourth proportional to 33,029,927.70, 49,544,891.55 and 13,898,051.70 is: 20,847,077.55
Step by Step Solution
- Step 1: Write the proportion equation
33,029,927.70 : 49,544,891.55 = 13,898,051.70 : x - Step 2: Convert to fraction form
33,029,927.70/49,544,891.55 = 13,898,051.70/x - Step 3: Cross multiply
33,029,927.70x = 49,544,891.55 × 13,898,051.70 - Step 4: Simplify right side
33,029,927.70x = 688,577,464,232,793 - Step 5: Solve for x
x = 688,577,464,232,793/33,029,927.70 - Step 6: Final answer
x = 20,847,077.55
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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.